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113431312430 = 25397178915971
BaseRepresentation
bin110100110100100001…
…0000111100000101110
3101211210020000201010122
41221221002013200232
53324301403444210
6124035402404542
711123635150532
oct1515102074056
9354706021118
10113431312430
1144119022a07
1219b97b00752
13a9093671a7
1456c0bc1bc2
152e3d487b55
hex1a6908782e

113431312430 has 32 divisors (see below), whose sum is σ = 204817900320. Its totient is φ = 45230106240.

The previous prime is 113431312429. The next prime is 113431312433. The reversal of 113431312430 is 34213134311.

It is a self number, because there is not a number n which added to its sum of digits gives 113431312430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113431312433) 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, 7094345 + ... + 7110315.

It is an arithmetic number, because the mean of its divisors is an integer number (6400559385).

Almost surely, 2113431312430 is an apocalyptic number.

113431312430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113431312430 is a deficient number, since it is larger than the sum of its proper divisors (91386587890).

113431312430 is a wasteful number, since it uses less digits than its factorization.

113431312430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18164.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 113431312430 its reverse (34213134311), we get a palindrome (147644446741).

The spelling of 113431312430 in words is "one hundred thirteen billion, four hundred thirty-one million, three hundred twelve thousand, four hundred thirty".

Divisors: 1 2 5 10 397 794 1789 1985 3578 3970 8945 15971 17890 31942 79855 159710 710233 1420466 3551165 6340487 7102330 12680974 28572119 31702435 57144238 63404870 142860595 285721190 11343131243 22686262486 56715656215 113431312430