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52105013420502 = 2371240595557631
BaseRepresentation
bin10111101100011101001001…
…10100001110000111010110
320211111012010222021121101110
423312032210310032013112
523312142031413424002
6302452413540235450
713655314543316040
oct1366164464160726
9224435128247343
1052105013420502
1115669680778aa9
125a1637369bb86
13230c635344093
14cc1c78cb0a90
1560558707ee6c
hex2f63a4d0e1d6

52105013420502 has 16 divisors (see below), whose sum is σ = 119097173532672. Its totient is φ = 14887146691560.

The previous prime is 52105013420413. The next prime is 52105013420597. The reversal of 52105013420502 is 20502431050125.

It is a self number, because there is not a number n which added to its sum of digits gives 52105013420502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620297778774 + ... + 620297778857.

It is an arithmetic number, because the mean of its divisors is an integer number (7443573345792).

Almost surely, 252105013420502 is an apocalyptic number.

52105013420502 is an abundant number, since it is smaller than the sum of its proper divisors (66992160112170).

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

52105013420502 is a wasteful number, since it uses less digits than its factorization.

52105013420502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240595557643.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 52105013420502 its reverse (20502431050125), we get a palindrome (72607444470627).

The spelling of 52105013420502 in words is "fifty-two trillion, one hundred five billion, thirteen million, four hundred twenty thousand, five hundred two".

Divisors: 1 2 3 6 7 14 21 42 1240595557631 2481191115262 3721786672893 7443573345786 8684168903417 17368337806834 26052506710251 52105013420502