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50211392140 = 22571327588677
BaseRepresentation
bin101110110000110101…
…010000101010001100
311210121022121000010101
4232300311100222030
51310313104022030
635022232220444
73425166535240
oct566065205214
9153538530111
1050211392140
111a3270270a8
12989383a724
1349727b5430
14260483a420
15148d1ee7ca
hexbb0d50a8c

50211392140 has 48 divisors (see below), whose sum is σ = 129777141312. Its totient is φ = 15891077376.

The previous prime is 50211392123. The next prime is 50211392149. The reversal of 50211392140 is 4129311205.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 50211392099 and 50211392108.

It is not an unprimeable number, because it can be changed into a prime (50211392149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13792519 + ... + 13796158.

It is an arithmetic number, because the mean of its divisors is an integer number (2703690444).

Almost surely, 250211392140 is an apocalyptic number.

It is an amenable number.

50211392140 is an abundant number, since it is smaller than the sum of its proper divisors (79565749172).

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

50211392140 is a wasteful number, since it uses less digits than its factorization.

50211392140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27588706 (or 27588704 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 50211392140 in words is "fifty billion, two hundred eleven million, three hundred ninety-two thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 27588677 55177354 110354708 137943385 193120739 275886770 358652801 386241478 551773540 717305602 772482956 965603695 1434611204 1793264005 1931207390 2510569607 3586528010 3862414780 5021139214 7173056020 10042278428 12552848035 25105696070 50211392140