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50720055660 = 2233593926029
BaseRepresentation
bin101111001111001001…
…101010000101101100
311211220202201210022000
4233033021222011230
51312333313240120
635144522452300
73443614234251
oct571711520554
9154822653260
1050720055660
111a56817057a
1299b6064090
134a23cb1971
142652209428
1514bcbc9990
hexbcf26a16c

50720055660 has 48 divisors (see below), whose sum is σ = 157795730400. Its totient is φ = 13525348032.

The previous prime is 50720055641. The next prime is 50720055691. The reversal of 50720055660 is 6655002705.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46962475 + ... + 46963554.

It is an arithmetic number, because the mean of its divisors is an integer number (3287411050).

Almost surely, 250720055660 is an apocalyptic number.

It is an amenable number.

50720055660 is an abundant number, since it is smaller than the sum of its proper divisors (107075674740).

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

50720055660 is a wasteful number, since it uses less digits than its factorization.

50720055660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93926047 (or 93926039 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The spelling of 50720055660 in words is "fifty billion, seven hundred twenty million, fifty-five thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 93926029 187852058 281778087 375704116 469630145 563556174 845334261 939260290 1127112348 1408890435 1690668522 1878520580 2536002783 2817780870 3381337044 4226671305 5072005566 5635561740 8453342610 10144011132 12680013915 16906685220 25360027830 50720055660