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13262430656 = 26613397139
BaseRepresentation
bin11000101101000000…
…01010000111000000
31021020021121021122102
430112200022013000
5204130140240111
610032003525532
7646440541406
oct142640120700
937207537572
1013262430656
1156963294a2
1226a16898a8
131334877407
148db55d476
155294de13b
hex31680a1c0

13262430656 has 28 divisors (see below), whose sum is σ = 26749080360. Its totient is φ = 6522504960.

The previous prime is 13262430613. The next prime is 13262430661. The reversal of 13262430656 is 65603426231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1694666 + ... + 1702473.

Almost surely, 213262430656 is an apocalyptic number.

13262430656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13262430656 is an abundant number, since it is smaller than the sum of its proper divisors (13486649704).

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

13262430656 is an equidigital number, since it uses as much as digits as its factorization.

13262430656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3397212 (or 3397202 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 13262430656 its reverse (65603426231), we get a palindrome (78865856887).

The spelling of 13262430656 in words is "thirteen billion, two hundred sixty-two million, four hundred thirty thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 32 61 64 122 244 488 976 1952 3904 3397139 6794278 13588556 27177112 54354224 108708448 207225479 217416896 414450958 828901916 1657803832 3315607664 6631215328 13262430656