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50400454312 = 23131466933037
BaseRepresentation
bin101110111100000110…
…011110011010101000
311211002111100100200001
4232330012132122220
51311210004014222
635053104352344
73432653536015
oct567406363250
9154074310601
1050400454312
111a41381932a
1299270156b4
1349a2a10040
1426219b270c
15149eae7e27
hexbbc19e6a8

50400454312 has 32 divisors (see below), whose sum is σ = 101780166600. Its totient is φ = 23259458304.

The previous prime is 50400454261. The next prime is 50400454331. The reversal of 50400454312 is 21345400405.

It can be written as a sum of positive squares in 4 ways, for example, as 20080590436 + 30319863876 = 141706^2 + 174126^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1509058 + ... + 1542094.

Almost surely, 250400454312 is an apocalyptic number.

50400454312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

50400454312 is an abundant number, since it is smaller than the sum of its proper divisors (51379712288).

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

50400454312 is a wasteful number, since it uses less digits than its factorization.

50400454312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47725 (or 47721 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 50400454312 its reverse (21345400405), we get a palindrome (71745854717).

The spelling of 50400454312 in words is "fifty billion, four hundred million, four hundred fifty-four thousand, three hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 14669 29338 33037 58676 66074 117352 132148 190697 264296 381394 429481 762788 858962 1525576 1717924 3435848 484619753 969239506 1938479012 3876958024 6300056789 12600113578 25200227156 50400454312