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13106257872 = 243318807969
BaseRepresentation
bin11000011010011000…
…11001111111010000
31020211101201212212020
430031030121333100
5203320200222442
610004304331440
7642533232231
oct141514317720
936741655766
1013106257872
115616160584
122659313b80
13130b3c6996
148c4909088
1551a9409ec
hex30d319fd0

13106257872 has 40 divisors (see below), whose sum is σ = 34950024960. Its totient is φ = 4227824640.

The previous prime is 13106257823. The next prime is 13106257873. The reversal of 13106257872 is 27875260131.

13106257872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13106257873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4402497 + ... + 4405472.

It is an arithmetic number, because the mean of its divisors is an integer number (873750624).

Almost surely, 213106257872 is an apocalyptic number.

13106257872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13106257872 is an abundant number, since it is smaller than the sum of its proper divisors (21843767088).

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

13106257872 is a wasteful number, since it uses less digits than its factorization.

13106257872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8808011 (or 8808005 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 13106257872 in words is "thirteen billion, one hundred six million, two hundred fifty-seven thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 248 372 496 744 1488 8807969 17615938 26423907 35231876 52847814 70463752 105695628 140927504 211391256 273047039 422782512 546094078 819141117 1092188156 1638282234 2184376312 3276564468 4368752624 6553128936 13106257872