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31142554822 = 2532383123289
BaseRepresentation
bin11101000000001111…
…011010110011000110
32222101101012200221101
4131000033122303012
51002234443223242
622150125010314
72151512230321
oct350017326306
988341180841
1031142554822
1112231184415
1260516b399a
132c23cc5442
1417160a37b8
15c240b89b7
hex7403dacc6

31142554822 has 16 divisors (see below), whose sum is σ = 47615584320. Its totient is φ = 15270944832.

The previous prime is 31142554741. The next prime is 31142554853. The reversal of 31142554822 is 22845524113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190954 + ... + 314242.

It is an arithmetic number, because the mean of its divisors is an integer number (2975974020).

Almost surely, 231142554822 is an apocalyptic number.

31142554822 is a deficient number, since it is larger than the sum of its proper divisors (16473029498).

31142554822 is a wasteful number, since it uses less digits than its factorization.

31142554822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125727.

The product of its digits is 76800, while the sum is 37.

The spelling of 31142554822 in words is "thirty-one billion, one hundred forty-two million, five hundred fifty-four thousand, eight hundred twenty-two".

Divisors: 1 2 53 106 2383 4766 123289 126299 246578 252598 6534317 13068634 293797687 587595374 15571277411 31142554822