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50021401300 = 22521338478001
BaseRepresentation
bin101110100101100000…
…100000001011010100
311210010002002110200121
4232211200200023110
51304420434320200
634551324121324
73420401616133
oct564540401324
9153102073617
1050021401300
111a239860182
129840096244
134942323c10
1425c750191a
15147b6c0e1a
hexba58202d4

50021401300 has 36 divisors (see below), whose sum is σ = 116896170076. Its totient is φ = 18469440000.

The previous prime is 50021401279. The next prime is 50021401301. The reversal of 50021401300 is 310412005.

It can be written as a sum of positive squares in 6 ways, for example, as 44116164 + 49977285136 = 6642^2 + 223556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50021401301) 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, 19237701 + ... + 19240300.

Almost surely, 250021401300 is an apocalyptic number.

50021401300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50021401300 is an abundant number, since it is smaller than the sum of its proper divisors (66874768776).

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

50021401300 is a wasteful number, since it uses less digits than its factorization.

50021401300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38478028 (or 38478021 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 50021401300 its reverse (310412005), we get a palindrome (50331813305).

The spelling of 50021401300 in words is "fifty billion, twenty-one million, four hundred one thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 38478001 76956002 153912004 192390005 384780010 500214013 769560020 961950025 1000428026 1923900050 2000856052 2501070065 3847800100 5002140130 10004280260 12505350325 25010700650 50021401300