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50051156161 = 531577877643
BaseRepresentation
bin101110100111010010…
…000000100011000001
311210012011002011200111
4232213102000203001
51310001043444121
634554305551321
73421212544036
oct564722004301
9153164064614
1050051156161
111a254633476
12984a045541
134948541446
1425cb44938d
15147e0ec2e1
hexba74808c1

50051156161 has 16 divisors (see below), whose sum is σ = 51392263104. Its totient is φ = 48725636544.

The previous prime is 50051156153. The next prime is 50051156167. The reversal of 50051156161 is 16165115005.

It is a cyclic number.

It is not a de Polignac number, because 50051156161 - 23 = 50051156153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50051156167) 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, 6544806 + ... + 6552448.

It is an arithmetic number, because the mean of its divisors is an integer number (3212016444).

Almost surely, 250051156161 is an apocalyptic number.

It is an amenable number.

50051156161 is a deficient number, since it is larger than the sum of its proper divisors (1341106943).

50051156161 is a wasteful number, since it uses less digits than its factorization.

50051156161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8640.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 50051156161 in words is "fifty billion, fifty-one million, one hundred fifty-six thousand, one hundred sixty-one".

Divisors: 1 53 157 787 7643 8321 41711 123559 405079 1199951 6015041 6548627 63597403 318797173 944361437 50051156161