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31061206444 = 2268023114157
BaseRepresentation
bin11100111011011001…
…000110010110101100
32222011201010202221111
4130323121012112230
51002103132101234
622134101241404
72146503620122
oct347331062654
988151122844
1031061206444
111219a272154
12602a403264
132c101b23c8
141709369912
15c1bd9a664
hex73b6465ac

31061206444 has 12 divisors (see below), whose sum is σ = 54358386544. Its totient is φ = 15530238864.

The previous prime is 31061206427. The next prime is 31061206507. The reversal of 31061206444 is 44460216013.

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 3 ways as a sum of consecutive naturals, for example, 215014 + ... + 329170.

Almost surely, 231061206444 is an apocalyptic number.

It is an amenable number.

31061206444 is a deficient number, since it is larger than the sum of its proper divisors (23297180100).

31061206444 is a wasteful number, since it uses less digits than its factorization.

31061206444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182184 (or 182182 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 31061206444 in words is "thirty-one billion, sixty-one million, two hundred six thousand, four hundred forty-four".

Divisors: 1 2 4 68023 114157 136046 228314 272092 456628 7765301611 15530603222 31061206444