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115512400431401 = 1061602918057929
BaseRepresentation
bin11010010000111011010011…
…100110000100100100101001
3120010222212200210110210201212
4122100323103212010210221
5110120023344002301101
61045401355243522505
733221331652214531
oct3220732346044451
9503885623423655
10115512400431401
1133895596706866
1210b570b1229435
134c5ba075aaa5c
142074b897a24c1
15d54b215341bb
hex690ed3984929

115512400431401 has 8 divisors (see below), whose sum is σ = 115640455609800. Its totient is φ = 115384381383040.

The previous prime is 115512400431391. The next prime is 115512400431517. The reversal of 115512400431401 is 104134004215511.

It can be written as a sum of positive squares in 4 ways, for example, as 19090782490000 + 96421617941401 = 4369300^2 + 9819451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115512400431401 - 234 = 115495220562217 is a prime.

It is a super-2 number, since 2×1155124004314012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115512400431601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2632196 + ... + 15425733.

It is an arithmetic number, because the mean of its divisors is an integer number (14455056951225).

Almost surely, 2115512400431401 is an apocalyptic number.

It is an amenable number.

115512400431401 is a deficient number, since it is larger than the sum of its proper divisors (128055178399).

115512400431401 is a wasteful number, since it uses less digits than its factorization.

115512400431401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18065019.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 115512400431401 its reverse (104134004215511), we get a palindrome (219646404646912).

The spelling of 115512400431401 in words is "one hundred fifteen trillion, five hundred twelve billion, four hundred million, four hundred thirty-one thousand, four hundred one".

Divisors: 1 1061 6029 6396769 18057929 19159462669 108871253941 115512400431401