Search a number
-
+
1010123103210 = 2351383169918367
BaseRepresentation
bin11101011001100000000…
…01110101101111101010
310120120022012211100110120
432230300001311233222
5113022213003300320
62052013311424110
7132656535465324
oct16546001655752
93516265740416
101010123103210
1135a4331811a1
12143928225036
137433c628540
1436c66a92614
151b42033e440
hexeb30075bea

1010123103210 has 128 divisors (see below), whose sum is σ = 2643934003200. Its totient is φ = 245492004096.

The previous prime is 1010123103191. The next prime is 1010123103229. The reversal of 1010123103210 is 123013210101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1010123103191) and next prime (1010123103229).

It is a super-3 number, since 3×10101231032103 (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1010123103210.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54987447 + ... + 55005813.

It is an arithmetic number, because the mean of its divisors is an integer number (20655734400).

Almost surely, 21010123103210 is an apocalyptic number.

1010123103210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010123103210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321967001600).

1010123103210 is an abundant number, since it is smaller than the sum of its proper divisors (1633810899990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1010123103210 is a wasteful number, since it uses less digits than its factorization.

1010123103210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20172.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1010123103210 its reverse (123013210101), we get a palindrome (1133136313311).

The spelling of 1010123103210 in words is "one trillion, ten billion, one hundred twenty-three million, one hundred three thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 83 130 166 195 249 390 415 498 830 1079 1245 1699 2158 2490 3237 3398 5097 5395 6474 8495 10194 10790 16185 16990 18367 22087 25485 32370 36734 44174 50970 55101 66261 91835 110202 110435 132522 141017 183670 220870 238771 275505 282034 331305 423051 477542 551010 662610 705085 716313 846102 1193855 1410170 1432626 1524461 1833221 2115255 2387710 3048922 3581565 3666442 4230510 4573383 5499663 7163130 7622305 9146766 9166105 10999326 15244610 18332210 19817993 22866915 27498315 31205533 39635986 45733830 54996630 59453979 62411066 93616599 99089965 118907958 156027665 187233198 198179930 297269895 312055330 405671929 468082995 594539790 811343858 936165990 1217015787 2028359645 2434031574 2590059239 4056719290 5180118478 6085078935 7770177717 12170157870 12950296195 15540355434 25900592390 33670770107 38850888585 67341540214 77701777170 101012310321 168353850535 202024620642 336707701070 505061551605 1010123103210