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61949876932 = 22118799130367
BaseRepresentation
bin111001101100100000…
…000001101011000100
312220220101121211001101
4321230200001223010
52003333132030212
644243120505444
74322114160046
oct715440015304
9186811554041
1061949876932
11243000aa4a9
121000aa7b284
135ac3705118
142dd9821a96
151928a14157
hexe6c801ac4

61949876932 has 12 divisors (see below), whose sum is σ = 108414028800. Its totient is φ = 30974440136.

The previous prime is 61949876929. The next prime is 61949876951. The reversal of 61949876932 is 23967894916.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410013 + ... + 540379.

It is an arithmetic number, because the mean of its divisors is an integer number (9034502400).

Almost surely, 261949876932 is an apocalyptic number.

It is an amenable number.

61949876932 is a deficient number, since it is larger than the sum of its proper divisors (46464151868).

61949876932 is a wasteful number, since it uses less digits than its factorization.

61949876932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249170 (or 249168 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 64.

The spelling of 61949876932 in words is "sixty-one billion, nine hundred forty-nine million, eight hundred seventy-six thousand, nine hundred thirty-two".

Divisors: 1 2 4 118799 130367 237598 260734 475196 521468 15487469233 30974938466 61949876932