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13231025334 = 232898259067
BaseRepresentation
bin11000101001010000…
…10110110010110110
31021011002111201122100
430110220112302312
5204044120302314
610024522442530
7645606600612
oct142450266266
937132451570
1013231025334
11567a62918a
122693063446
13132b1cc897
148d7306342
15526888c09
hex314a16cb6

13231025334 has 24 divisors (see below), whose sum is σ = 28989328680. Its totient is φ = 4360786848.

The previous prime is 13231025321. The next prime is 13231025359. The reversal of 13231025334 is 43352013231.

13231025334 is a `hidden beast` number, since 1 + 3 + 23 + 102 + 533 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 13231025298 and 13231025307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4127932 + ... + 4131135.

It is an arithmetic number, because the mean of its divisors is an integer number (1207888695).

Almost surely, 213231025334 is an apocalyptic number.

13231025334 is an abundant number, since it is smaller than the sum of its proper divisors (15758303346).

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

13231025334 is a wasteful number, since it uses less digits than its factorization.

13231025334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8259164 (or 8259161 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 13231025334 its reverse (43352013231), we get a palindrome (56583038565).

The spelling of 13231025334 in words is "thirteen billion, two hundred thirty-one million, twenty-five thousand, three hundred thirty-four".

Divisors: 1 2 3 6 9 18 89 178 267 534 801 1602 8259067 16518134 24777201 49554402 74331603 148663206 735056963 1470113926 2205170889 4410341778 6615512667 13231025334