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51874226960 = 24531127164701
BaseRepresentation
bin110000010011111100…
…011110001100010000
311221220012111202200012
4300103330132030100
51322214300230320
635455232414052
73514330440203
oct602374361420
9157805452605
1051874226960
111aaaa715556
12a0786a7328
134b7914b56a
14272160993a
1515391b14c5
hexc13f1e310

51874226960 has 80 divisors (see below), whose sum is σ = 125479206912. Its totient is φ = 19922112000.

The previous prime is 51874226941. The next prime is 51874226981. The reversal of 51874226960 is 6962247815.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 51874226899 and 51874226908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232610 + ... + 397310.

Almost surely, 251874226960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51874226960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62739603456).

51874226960 is an abundant number, since it is smaller than the sum of its proper divisors (73604979952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51874226960 is a wasteful number, since it uses less digits than its factorization.

51874226960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164872 (or 164866 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 51874226960 in words is "fifty-one billion, eight hundred seventy-four million, two hundred twenty-six thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 127 155 248 254 310 496 508 620 635 1016 1240 1270 2032 2480 2540 3937 5080 7874 10160 15748 19685 31496 39370 62992 78740 157480 164701 314960 329402 658804 823505 1317608 1647010 2635216 3294020 5105731 6588040 10211462 13176080 20422924 20917027 25528655 40845848 41834054 51057310 81691696 83668108 102114620 104585135 167336216 204229240 209170270 334672432 408458480 418340540 648427837 836681080 1296855674 1673362160 2593711348 3242139185 5187422696 6484278370 10374845392 12968556740 25937113480 51874226960