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13245353504442 = 232735852972469
BaseRepresentation
bin1100000010111110110010…
…0101110010111010111010
31201220020120110101221202200
43000233230211302322322
53214002440444120232
644100455325411030
72534642131105023
oct300575445627272
951806513357680
1013245353504442
114247360825074
12159b056109a76
137510541caa47
1433b1156b5c4a
1517e81e5c677c
hexc0bec972eba

13245353504442 has 12 divisors (see below), whose sum is σ = 28698265926330. Its totient is φ = 4415117834808.

The previous prime is 13245353504393. The next prime is 13245353504479. The reversal of 13245353504442 is 24440535354231.

13245353504442 is a `hidden beast` number, since 1 + 3 + 2 + 4 + 53 + 53 + 504 + 4 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12929712915681 + 315640588761 = 3595791^2 + 561819^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367926486217 + ... + 367926486252.

Almost surely, 213245353504442 is an apocalyptic number.

13245353504442 is an abundant number, since it is smaller than the sum of its proper divisors (15452912421888).

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

13245353504442 is a wasteful number, since it uses less digits than its factorization.

13245353504442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735852972477 (or 735852972474 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 45.

Adding to 13245353504442 its reverse (24440535354231), we get a palindrome (37685888858673).

The spelling of 13245353504442 in words is "thirteen trillion, two hundred forty-five billion, three hundred fifty-three million, five hundred four thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 735852972469 1471705944938 2207558917407 4415117834814 6622676752221 13245353504442