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53205161080 = 2351379708971
BaseRepresentation
bin110001100011010001…
…100101010001111000
312002022221220020001111
4301203101211101320
51332431010123310
640235255130104
73562321256461
oct614321452170
9162287806044
1053205161080
1120622a21005
12a38a373934
13502bac7746
14280a29dd68
1515b5e6228a
hexc63465478

53205161080 has 32 divisors (see below), whose sum is σ = 120585432240. Its totient is φ = 21126718720.

The previous prime is 53205161059. The next prime is 53205161129. The reversal of 53205161080 is 8016150235.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4849006 + ... + 4859965.

Almost surely, 253205161080 is an apocalyptic number.

It is an amenable number.

53205161080 is an abundant number, since it is smaller than the sum of its proper divisors (67380271160).

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

53205161080 is a wasteful number, since it uses less digits than its factorization.

53205161080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9709119 (or 9709115 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 53205161080 in words is "fifty-three billion, two hundred five million, one hundred sixty-one thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 137 274 548 685 1096 1370 2740 5480 9708971 19417942 38835884 48544855 77671768 97089710 194179420 388358840 1330129027 2660258054 5320516108 6650645135 10641032216 13301290270 26602580540 53205161080