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50280743691 = 3213940192441
BaseRepresentation
bin101110110100111101…
…110100001100001011
311210210011002102120100
4232310331310030023
51310433332244231
635033150500443
73430001161323
oct566475641413
9153704072510
1050280743691
111a362194a32
1298b2b04723
134983c87a59
14260db30283
15149434d1e6
hexbb4f7430b

50280743691 has 12 divisors (see below), whose sum is σ = 73150244440. Its totient is φ = 33279340320.

The previous prime is 50280743657. The next prime is 50280743713. The reversal of 50280743691 is 19634708205.

50280743691 is a `hidden beast` number, since 5 + 0 + 280 + 7 + 4 + 369 + 1 = 666.

It is not a de Polignac number, because 50280743691 - 26 = 50280743627 is a prime.

It is a super-2 number, since 2×502807436912 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50280742691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20094970 + ... + 20097471.

It is a 1-persistent number, because it is pandigital, but 2⋅50280743691 = 100561487382 is not.

Almost surely, 250280743691 is an apocalyptic number.

50280743691 is a deficient number, since it is larger than the sum of its proper divisors (22869500749).

50280743691 is a wasteful number, since it uses less digits than its factorization.

50280743691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40192586 (or 40192583 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 50280743691 in words is "fifty billion, two hundred eighty million, seven hundred forty-three thousand, six hundred ninety-one".

Divisors: 1 3 9 139 417 1251 40192441 120577323 361731969 5586749299 16760247897 50280743691