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13088378610 = 2325145426429
BaseRepresentation
bin11000011000010000…
…01100111011110010
31020210011002112010100
430030020030323302
5203301111103420
610002425213230
7642225245136
oct141410147362
936704075110
1013088378610
11560705962a
122653331216
1313077a6938
148c23b33c6
155190ad190
hex30c20cef2

13088378610 has 24 divisors (see below), whose sum is σ = 34029784620. Its totient is φ = 3490234272.

The previous prime is 13088378609. The next prime is 13088378623. The reversal of 13088378610 is 1687388031.

It can be written as a sum of positive squares in 2 ways, for example, as 13070662929 + 17715681 = 114327^2 + 4209^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 72713125 + ... + 72713304.

Almost surely, 213088378610 is an apocalyptic number.

13088378610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13088378610 is an abundant number, since it is smaller than the sum of its proper divisors (20941406010).

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

13088378610 is a wasteful number, since it uses less digits than its factorization.

13088378610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145426442 (or 145426439 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 13088378610 in words is "thirteen billion, eighty-eight million, three hundred seventy-eight thousand, six hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 145426429 290852858 436279287 727132145 872558574 1308837861 1454264290 2181396435 2617675722 4362792870 6544189305 13088378610