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31061156102 = 2169325393613
BaseRepresentation
bin11100111011011000…
…111010000100000110
32222011201001012212222
4130323120322010012
51002103123443402
622134100212342
72146503320264
oct347330720406
988151035788
1031061156102
111219a238349
12602a39a0b2
132c10195512
141709355434
15c1bd8a7a2
hex73b63a106

31061156102 has 16 divisors (see below), whose sum is σ = 46650523920. Its totient is φ = 15510997152.

The previous prime is 31061156083. The next prime is 31061156111. The reversal of 31061156102 is 20165116013.

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, 8595248 + ... + 8598860.

It is an arithmetic number, because the mean of its divisors is an integer number (2915657745).

Almost surely, 231061156102 is an apocalyptic number.

31061156102 is a deficient number, since it is larger than the sum of its proper divisors (15589367818).

31061156102 is a wasteful number, since it uses less digits than its factorization.

31061156102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7847.

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 31061156102 in words is "thirty-one billion, sixty-one million, one hundred fifty-six thousand, one hundred two".

Divisors: 1 2 1693 2539 3386 3613 5078 7226 4298527 6116809 8597054 9173407 12233618 18346814 15530578051 31061156102