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31238070092 = 227809517523
BaseRepresentation
bin11101000101111011…
…110001111101001100
32222122000221101020222
4131011323301331030
51002433421220332
622203420130512
72154052133435
oct350573617514
988560841228
1031238070092
1112280092459
126079696a38
132c3aa28858
141724a4848c
15c2c684712
hex745ef1f4c

31238070092 has 6 divisors (see below), whose sum is σ = 54666622668. Its totient is φ = 15619035044.

The previous prime is 31238070037. The next prime is 31238070139. The reversal of 31238070092 is 29007083213.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3904758758 + ... + 3904758765.

It is an arithmetic number, because the mean of its divisors is an integer number (9111103778).

Almost surely, 231238070092 is an apocalyptic number.

It is an amenable number.

31238070092 is a deficient number, since it is larger than the sum of its proper divisors (23428552576).

31238070092 is a wasteful number, since it uses less digits than its factorization.

31238070092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7809517527 (or 7809517525 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 31238070092 in words is "thirty-one billion, two hundred thirty-eight million, seventy thousand, ninety-two".

Divisors: 1 2 4 7809517523 15619035046 31238070092