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50521874085 = 3252356747639
BaseRepresentation
bin101111000011010101…
…101001111010100101
311211101221211010021200
4233003111221322211
51311432044432320
635113123033113
73435656562354
oct570325517245
9154357733250
1050521874085
111a47630a851
12995b80b799
1349c1c13267
142633b7b99b
1514aa5ce290
hexbc3569ea5

50521874085 has 24 divisors (see below), whose sum is σ = 87576802560. Its totient is φ = 26943290592.

The previous prime is 50521874059. The next prime is 50521874089. The reversal of 50521874085 is 58047812505.

50521874085 is a `hidden beast` number, since 5 + 0 + 521 + 8 + 7 + 40 + 85 = 666.

It is not a de Polignac number, because 50521874085 - 213 = 50521865893 is a prime.

It is a super-2 number, since 2×505218740852 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 50521874085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50521874089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1036696 + ... + 1084334.

It is an arithmetic number, because the mean of its divisors is an integer number (3649033440).

Almost surely, 250521874085 is an apocalyptic number.

It is an amenable number.

50521874085 is a deficient number, since it is larger than the sum of its proper divisors (37054928475).

50521874085 is a wasteful number, since it uses less digits than its factorization.

50521874085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71217 (or 71214 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The spelling of 50521874085 in words is "fifty billion, five hundred twenty-one million, eight hundred seventy-four thousand, eighty-five".

Divisors: 1 3 5 9 15 45 23567 47639 70701 117835 142917 212103 238195 353505 428751 714585 1060515 2143755 1122708313 3368124939 5613541565 10104374817 16840624695 50521874085