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103011131310 = 235193722721517
BaseRepresentation
bin101111111101111110…
…0010001111110101110
3100211220000121122212120
41133323330101332232
53141431322200220
6115153410013410
710304466111663
oct1377374217656
9324800548776
10103011131310
113a76110967a
1217b6a277266
1399385c0749
144db2d23a6a
152a2d77ba40
hex17fbf11fae

103011131310 has 128 divisors (see below), whose sum is σ = 268462010880. Its totient is φ = 25207801344.

The previous prime is 103011131299. The next prime is 103011131323. The reversal of 103011131310 is 13131110301.

It is a super-2 number, since 2×1030111313102 (a number of 23 digits) contains 22 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 103011131310.

It is a congruent number.

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, 4776672 + ... + 4798188.

It is an arithmetic number, because the mean of its divisors is an integer number (2097359460).

Almost surely, 2103011131310 is an apocalyptic number.

103011131310 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 103011131310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134231005440).

103011131310 is an abundant number, since it is smaller than the sum of its proper divisors (165450879570).

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

103011131310 is a wasteful number, since it uses less digits than its factorization.

103011131310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21810.

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 103011131310 its reverse (13131110301), we get a palindrome (116142241611).

The spelling of 103011131310 in words is "one hundred three billion, eleven million, one hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 19 30 37 38 57 74 95 111 114 185 190 222 227 285 370 454 555 570 681 703 1110 1135 1362 1406 2109 2270 3405 3515 4218 4313 6810 7030 8399 8626 10545 12939 16798 21090 21517 21565 25197 25878 41995 43034 43130 50394 64551 64695 83990 107585 125985 129102 129390 159581 215170 251970 319162 322755 408823 478743 645510 796129 797905 817646 957486 1226469 1592258 1595810 2044115 2388387 2393715 2452938 3980645 4088230 4776774 4787430 4884359 6132345 7961290 9768718 11941935 12264690 14653077 15126451 23883870 24421795 29306154 30252902 45379353 48843590 73265385 75632255 90758706 92802821 146530770 151264510 180721283 185605642 226896765 278408463 361442566 453793530 464014105 542163849 556816926 903606415 928028210 1084327698 1392042315 1807212830 2710819245 2784084630 3433704377 5421638490 6867408754 10301113131 17168521885 20602226262 34337043770 51505565655 103011131310