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53160177980 = 22571329208889
BaseRepresentation
bin110001100000100101…
…111111000100111100
312002012211020211211202
4301200211333010330
51332333001143410
640231011035032
73561234025430
oct614045770474
9162184224752
1053160177980
11205aa597598
12a37729ba78
1350226a7a20
1428043109c0
1515b2028ca5
hexc6097f13c

53160177980 has 48 divisors (see below), whose sum is σ = 137398618560. Its totient is φ = 16824319488.

The previous prime is 53160177977. The next prime is 53160178003. The reversal of 53160177980 is 8977106135.

53160177980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 14602625 + ... + 14606264.

It is an arithmetic number, because the mean of its divisors is an integer number (2862471220).

Almost surely, 253160177980 is an apocalyptic number.

It is an amenable number.

53160177980 is an abundant number, since it is smaller than the sum of its proper divisors (84238440580).

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

53160177980 is a wasteful number, since it uses less digits than its factorization.

53160177980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29208918 (or 29208916 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 53160177980 in words is "fifty-three billion, one hundred sixty million, one hundred seventy-seven thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 29208889 58417778 116835556 146044445 204462223 292088890 379715557 408924446 584177780 759431114 817848892 1022311115 1518862228 1898577785 2044622230 2658008899 3797155570 4089244460 5316017798 7594311140 10632035596 13290044495 26580088990 53160177980