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50931134240 = 255745474227
BaseRepresentation
bin101111011011101110…
…110110111100100000
311212110110220200200012
4233123232312330200
51313301332243430
635221502544052
73452056332560
oct573356667440
9155413820605
1050931134240
111a66632aa88
129a54898028
134a5894772c
142672272da0
1514d14c1695
hexbdbbb6f20

50931134240 has 48 divisors (see below), whose sum is σ = 137514065472. Its totient is φ = 17462102784.

The previous prime is 50931134237. The next prime is 50931134251. The reversal of 50931134240 is 4243113905.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 50931134197 and 50931134206.

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, 22735994 + ... + 22738233.

It is an arithmetic number, because the mean of its divisors is an integer number (2864876364).

Almost surely, 250931134240 is an apocalyptic number.

It is an amenable number.

50931134240 is an abundant number, since it is smaller than the sum of its proper divisors (86582931232).

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

50931134240 is a wasteful number, since it uses less digits than its factorization.

50931134240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45474249 (or 45474241 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 50931134240 in words is "fifty billion, nine hundred thirty-one million, one hundred thirty-four thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 45474227 90948454 181896908 227371135 318319589 363793816 454742270 636639178 727587632 909484540 1273278356 1455175264 1591597945 1818969080 2546556712 3183195890 3637938160 5093113424 6366391780 7275876320 10186226848 12732783560 25465567120 50931134240