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50719098161 = 192669426219
BaseRepresentation
bin101111001111000110…
…000000010100110001
311211220200221010212002
4233033012000110301
51312333042120121
635144450143345
73443603135564
oct571706002461
9154820833762
1050719098161
111a567677156
1299b5881b55
134a23a37bb4
14265203a4db
1514bca8ae0b
hexbcf180531

50719098161 has 4 divisors (see below), whose sum is σ = 53388524400. Its totient is φ = 48049671924.

The previous prime is 50719098149. The next prime is 50719098253. The reversal of 50719098161 is 16189091705.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50719098161 - 210 = 50719097137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50719098121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334713091 + ... + 1334713128.

It is an arithmetic number, because the mean of its divisors is an integer number (13347131100).

Almost surely, 250719098161 is an apocalyptic number.

It is an amenable number.

50719098161 is a deficient number, since it is larger than the sum of its proper divisors (2669426239).

50719098161 is a wasteful number, since it uses less digits than its factorization.

50719098161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669426238.

The product of its (nonzero) digits is 136080, while the sum is 47.

The spelling of 50719098161 in words is "fifty billion, seven hundred nineteen million, ninety-eight thousand, one hundred sixty-one".

Divisors: 1 19 2669426219 50719098161