Search a number
-
+
50397918877 = 1372831299887
BaseRepresentation
bin101110111011111100…
…110011011010011101
311211002022120112201001
4232323330303122131
51311203331401002
635052534150301
73432623146045
oct567374633235
9154068515631
1050397918877
111a412347429
1299261b2391
1349a2332c97
142621512725
15149e796a87
hexbbbf3369d

50397918877 has 8 divisors (see below), whose sum is σ = 50945210496. Its totient is φ = 49853227872.

The previous prime is 50397918869. The next prime is 50397918887. The reversal of 50397918877 is 77881979305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50397918877 - 23 = 50397918869 is a prime.

It is a super-2 number, since 2×503979188772 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50397918847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611173 + ... + 688714.

It is an arithmetic number, because the mean of its divisors is an integer number (6368151312).

Almost surely, 250397918877 is an apocalyptic number.

It is an amenable number.

50397918877 is a deficient number, since it is larger than the sum of its proper divisors (547291619).

50397918877 is a wasteful number, since it uses less digits than its factorization.

50397918877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300307.

The product of its (nonzero) digits is 26671680, while the sum is 64.

The spelling of 50397918877 in words is "fifty billion, three hundred ninety-seven million, nine hundred eighteen thousand, eight hundred seventy-seven".

Divisors: 1 137 283 38771 1299887 178084519 367868021 50397918877