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31606982734 = 21071812513251
BaseRepresentation
bin11101011011111011…
…000100100001001110
310000120202010002021011
4131123323010201032
51004212341421414
622304155155434
72166151630465
oct353373044116
9100522102234
1031606982734
111244a354a38
126161145b7a
132c992a4262
14175ba399dc
15c4ec56dc4
hex75bec484e

31606982734 has 32 divisors (see below), whose sum is σ = 48324511872. Its totient is φ = 15502500000.

The previous prime is 31606982683. The next prime is 31606982767. The reversal of 31606982734 is 43728960613.

It is a super-2 number, since 2×316069827342 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9720609 + ... + 9723859.

It is an arithmetic number, because the mean of its divisors is an integer number (1510140996).

Almost surely, 231606982734 is an apocalyptic number.

31606982734 is a deficient number, since it is larger than the sum of its proper divisors (16717529138).

31606982734 is a wasteful number, since it uses less digits than its factorization.

31606982734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 31606982734 in words is "thirty-one billion, six hundred six million, nine hundred eighty-two thousand, seven hundred thirty-four".

Divisors: 1 2 107 181 214 251 362 502 3251 6502 19367 26857 38734 45431 53714 90862 347857 588431 695714 816001 1176862 1632002 4861117 9722234 62962117 87312107 125924234 147696181 174624214 295392362 15803491367 31606982734