Search a number
-
+
100203102030 = 23523315698233
BaseRepresentation
bin101110101010010010…
…0011111111101001110
3100120122022210222212010
41131110210133331032
53120203443231110
6114011020122050
710145061212463
oct1352444377516
9316568728763
10100203102030
1139550047719
1217505996326
1395ab911965
144bc800d66a
152916ea8020
hex175491ff4e

100203102030 has 128 divisors (see below), whose sum is σ = 259525140480. Its totient is φ = 24688097280.

The previous prime is 100203102019. The next prime is 100203102031. The reversal of 100203102030 is 30201302001.

It is a happy number.

It is a super-3 number, since 3×1002031020303 (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100203101997 and 100203102015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100203102031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12166794 + ... + 12175026.

It is an arithmetic number, because the mean of its divisors is an integer number (2027540160).

Almost surely, 2100203102030 is an apocalyptic number.

100203102030 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 100203102030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129762570240).

100203102030 is an abundant number, since it is smaller than the sum of its proper divisors (159322038450).

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

100203102030 is a wasteful number, since it uses less digits than its factorization.

100203102030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8866.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 100203102030 its reverse (30201302001), we get a palindrome (130404404031).

The spelling of 100203102030 in words is "one hundred billion, two hundred three million, one hundred two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 23 30 31 46 62 69 93 115 138 155 186 230 310 345 465 569 690 713 930 1138 1426 1707 2139 2845 3414 3565 4278 5690 7130 8233 8535 10695 13087 16466 17070 17639 21390 24699 26174 35278 39261 41165 49398 52917 65435 78522 82330 88195 105834 123495 130870 176390 189359 196305 246990 255223 264585 378718 392610 405697 510446 529170 568077 765669 811394 946795 1136154 1217091 1276115 1531338 1893590 2028485 2434182 2552230 2840385 3828345 4056970 4684577 5680770 5870129 6085455 7656690 9369154 11740258 12170910 14053731 17610387 23422885 28107462 29350645 35220774 46845770 58701290 70268655 88051935 107745271 140537310 145221887 176103870 215490542 290443774 323235813 435665661 538726355 646471626 726109435 871331322 1077452710 1452218870 1616179065 2178328305 3232358130 3340103401 4356656610 6680206802 10020310203 16700517005 20040620406 33401034010 50101551015 100203102030