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115131304004 = 22191867981101
BaseRepresentation
bin110101100111001011…
…1000100100001000100
3102000011200212020011112
41223032113010201010
53341242103212004
6124520211224152
711214026636303
oct1531627044104
9360150766145
10115131304004
114491068a822
121a3912a8058
13ab1a60c972
1458028a443a
152edc838e6e
hex1ace5c4844

115131304004 has 24 divisors (see below), whose sum is σ = 212097950400. Its totient is φ = 54532288800.

The previous prime is 115131303997. The next prime is 115131304007. The reversal of 115131304004 is 400403131511.

It is a happy number.

It is a super-2 number, since 2×1151313040042 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115131304007) 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, 1379054 + ... + 1460154.

It is an arithmetic number, because the mean of its divisors is an integer number (8837414600).

Almost surely, 2115131304004 is an apocalyptic number.

It is an amenable number.

115131304004 is a deficient number, since it is larger than the sum of its proper divisors (96966646396).

115131304004 is a wasteful number, since it uses less digits than its factorization.

115131304004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99803 (or 99801 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 115131304004 its reverse (400403131511), we get a palindrome (515534435515).

The spelling of 115131304004 in words is "one hundred fifteen billion, one hundred thirty-one million, three hundred four thousand, four".

Divisors: 1 2 4 19 38 76 18679 37358 74716 81101 162202 324404 354901 709802 1419604 1540919 3081838 6163676 1514885579 3029771158 6059542316 28782826001 57565652002 115131304004