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13331020052 = 227476107859
BaseRepresentation
bin11000110101001011…
…10011100100010100
31021102001122222121102
430122211303210110
5204300220120202
610042454005232
7651232541450
oct143245634424
937361588542
1013331020052
115721016749
122700646818
131345b40b5c
149066d5660
1553053bd02
hex31a973914

13331020052 has 12 divisors (see below), whose sum is σ = 26662040160. Its totient is φ = 5713294296.

The previous prime is 13331020019. The next prime is 13331020091. The reversal of 13331020052 is 25002013331.

13331020052 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238053902 + ... + 238053957.

It is an arithmetic number, because the mean of its divisors is an integer number (2221836680).

Almost surely, 213331020052 is an apocalyptic number.

It is an amenable number.

13331020052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13331020052 is a wasteful number, since it uses less digits than its factorization.

13331020052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476107870 (or 476107868 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 13331020052 its reverse (25002013331), we get a palindrome (38333033383).

The spelling of 13331020052 in words is "thirteen billion, three hundred thirty-one million, twenty thousand, fifty-two".

Divisors: 1 2 4 7 14 28 476107859 952215718 1904431436 3332755013 6665510026 13331020052