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115431026930 = 2518716169483
BaseRepresentation
bin110101110000000111…
…0011011000011110010
3102000221120211201201122
41223200032123003302
53342400320330210
6125010035302242
711224326353132
oct1534016330362
9360846751648
10115431026930
1144a5489501a
121a45574a982
13ab677415cb
145830604ac2
153008ce0b55
hex1ae039b0f2

115431026930 has 16 divisors (see below), whose sum is σ = 207886932864. Its totient is φ = 46147725360.

The previous prime is 115431026917. The next prime is 115431026951. The reversal of 115431026930 is 39620134511.

It is a super-2 number, since 2×1154310269302 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3066032 + ... + 3103451.

It is an arithmetic number, because the mean of its divisors is an integer number (12992933304).

Almost surely, 2115431026930 is an apocalyptic number.

115431026930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115431026930 is a deficient number, since it is larger than the sum of its proper divisors (92455905934).

115431026930 is a wasteful number, since it uses less digits than its factorization.

115431026930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171361.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 115431026930 in words is "one hundred fifteen billion, four hundred thirty-one million, twenty-six thousand, nine hundred thirty".

Divisors: 1 2 5 10 1871 3742 9355 18710 6169483 12338966 30847415 61694830 11543102693 23086205386 57715513465 115431026930