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53258008080 = 24351311693957
BaseRepresentation
bin110001100110011011…
…001011011000010000
312002110122100010111210
4301212123023120100
51333033022224310
640244423540120
73563532412404
oct614633133020
9162418303453
1053258008080
112064a836812
12a3a3bba640
135039a3b964
1428132d9104
1515ba900820
hexc666cb610

53258008080 has 80 divisors (see below), whose sum is σ = 166360227264. Its totient is φ = 14093713920.

The previous prime is 53258007973. The next prime is 53258008093. The reversal of 53258008080 is 8080085235.

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

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, 815539 + ... + 878418.

Almost surely, 253258008080 is an apocalyptic number.

It is an amenable number.

53258008080 is an abundant number, since it is smaller than the sum of its proper divisors (113102219184).

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

53258008080 is a wasteful number, since it uses less digits than its factorization.

53258008080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694104 (or 1694098 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 53258008080 in words is "fifty-three billion, two hundred fifty-eight million, eight thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 131 240 262 393 524 655 786 1048 1310 1572 1965 2096 2620 3144 3930 5240 6288 7860 10480 15720 31440 1693957 3387914 5081871 6775828 8469785 10163742 13551656 16939570 20327484 25409355 27103312 33879140 40654968 50818710 67758280 81309936 101637420 135516560 203274840 221908367 406549680 443816734 665725101 887633468 1109541835 1331450202 1775266936 2219083670 2662900404 3328625505 3550533872 4438167340 5325800808 6657251010 8876334680 10651601616 13314502020 17752669360 26629004040 53258008080