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103251243630 = 23526991275179
BaseRepresentation
bin110000000101001000…
…0001111001001101110
3100212111202102122001110
41200022100033021232
53142424304244010
6115233304252450
710313443042623
oct1401220171156
9325452378043
10103251243630
113a8746a9607
1218016771126
139976280742
144dd6b8834a
152a448ab120
hex180a40f26e

103251243630 has 32 divisors (see below), whose sum is σ = 247894992000. Its totient is φ = 27523441952.

The previous prime is 103251243611. The next prime is 103251243631. The reversal of 103251243630 is 36342152301.

It is a super-2 number, since 2×1032512436302 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103251243631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556620 + ... + 718559.

It is an arithmetic number, because the mean of its divisors is an integer number (7746718500).

Almost surely, 2103251243630 is an apocalyptic number.

103251243630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103251243630 is an abundant number, since it is smaller than the sum of its proper divisors (144643748370).

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

103251243630 is a wasteful number, since it uses less digits than its factorization.

103251243630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277888.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 103251243630 its reverse (36342152301), we get a palindrome (139593395931).

The spelling of 103251243630 in words is "one hundred three billion, two hundred fifty-one million, two hundred forty-three thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2699 5398 8097 13495 16194 26990 40485 80970 1275179 2550358 3825537 6375895 7651074 12751790 19127685 38255370 3441708121 6883416242 10325124363 17208540605 20650248726 34417081210 51625621815 103251243630