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50111756020 = 2252505587801
BaseRepresentation
bin101110101010111001…
…001011011011110100
311210100101002222001201
4232222321023123310
51310112102143040
635004312502244
73422546620024
oct565271133364
9153311088051
1050111756020
111a285863aa7
1298663aa984
134957c6b451
1425d5501a84
1514845bca9a
hexbaae4b6f4

50111756020 has 12 divisors (see below), whose sum is σ = 105234687684. Its totient is φ = 20044702400.

The previous prime is 50111755949. The next prime is 50111756027. The reversal of 50111756020 is 2065711105.

It can be written as a sum of positive squares in 2 ways, for example, as 12197435364 + 37914320656 = 110442^2 + 194716^2 .

It is a super-2 number, since 2×501117560202 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50111756020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50111756027) 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, 1252793881 + ... + 1252793920.

It is an arithmetic number, because the mean of its divisors is an integer number (8769557307).

Almost surely, 250111756020 is an apocalyptic number.

It is an amenable number.

50111756020 is an abundant number, since it is smaller than the sum of its proper divisors (55122931664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50111756020 is a wasteful number, since it uses less digits than its factorization.

50111756020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505587810 (or 2505587808 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The spelling of 50111756020 in words is "fifty billion, one hundred eleven million, seven hundred fifty-six thousand, twenty".

Divisors: 1 2 4 5 10 20 2505587801 5011175602 10022351204 12527939005 25055878010 50111756020