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50170720020 = 22356113707847
BaseRepresentation
bin101110101110011010…
…000110111100010100
311210111111001122110120
4232232122012330110
51310222201020040
635014220351540
73424164040521
oct565632067424
9153444048416
1050170720020
111a306077583
1298820a55b0
1349672449a5
1425dd290148
1514898687d0
hexbae686f14

50170720020 has 48 divisors (see below), whose sum is σ = 142780944768. Its totient is φ = 13159532160.

The previous prime is 50170720003. The next prime is 50170720031. The reversal of 50170720020 is 2002707105.

It is a super-2 number, since 2×501707200202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 6850264 + ... + 6857583.

It is an arithmetic number, because the mean of its divisors is an integer number (2974603016).

Almost surely, 250170720020 is an apocalyptic number.

It is an amenable number.

50170720020 is an abundant number, since it is smaller than the sum of its proper divisors (92610224748).

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

50170720020 is a wasteful number, since it uses less digits than its factorization.

50170720020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13707920 (or 13707918 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The spelling of 50170720020 in words is "fifty billion, one hundred seventy million, seven hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 61 122 183 244 305 366 610 732 915 1220 1830 3660 13707847 27415694 41123541 54831388 68539235 82247082 137078470 164494164 205617705 274156940 411235410 822470820 836178667 1672357334 2508536001 3344714668 4180893335 5017072002 8361786670 10034144004 12542680005 16723573340 25085360010 50170720020