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13072034889 = 3223216572
BaseRepresentation
bin11000010110010011…
…10110110001001001
31020202000100011202100
430023021312301021
5203232420104024
610001043024013
7641636314614
oct141311666111
936660304670
1013072034889
1155a8906321
12264996b009
1313042a37b4
148c015b17b
155179307c9
hex30b276c49

13072034889 has 27 divisors (see below), whose sum is σ = 19750390023. Its totient is φ = 8330759712.

The previous prime is 13072034887. The next prime is 13072034891. The reversal of 13072034889 is 98843027031.

The square root of 13072034889 is 114333.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (13072034887) and next prime (13072034891).

It can be written as a sum of positive squares in only one way, i.e., 4162185225 + 8909849664 = 64515^2 + 94392^2 .

It is not a de Polignac number, because 13072034889 - 21 = 13072034887 is a prime.

It is a super-2 number, since 2×130720348892 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13072034887) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7888149 + ... + 7889805.

Almost surely, 213072034889 is an apocalyptic number.

13072034889 is the 114333-rd square number.

13072034889 is the 57167-th centered octagonal number.

It is an amenable number.

13072034889 is a deficient number, since it is larger than the sum of its proper divisors (6678355134).

13072034889 is an frugal number, since it uses more digits than its factorization.

13072034889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366 (or 1683 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 13072034889 in words is "thirteen billion, seventy-two million, thirty-four thousand, eight hundred eighty-nine".

Divisors: 1 3 9 23 69 207 529 1587 1657 4761 4971 14913 38111 114333 342999 876553 2629659 2745649 7888977 8236947 24710841 63149927 189449781 568349343 1452448321 4357344963 13072034889