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6913392024889 = 72101237192
BaseRepresentation
bin110010010011010011001…
…0001101001110100111001
3220110220200011202222122101
41210212212101221310321
51401232111324244024
622411545104023401
71312322204424100
oct144464621516471
926426604688571
106913392024889
112225a53625809
12937a41001b61
133b1c1249918c
1419c877a2b037
15bec77051c44
hex649a6469d39

6913392024889 has 27 divisors (see below), whose sum is σ = 8124706945551. Its totient is φ = 5865516056400.

The previous prime is 6913392024841. The next prime is 6913392024901. The reversal of 6913392024889 is 9884202933196.

The square root of 6913392024889 is 2629333.

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

It can be written as a sum of positive squares in only one way, i.e., 6642305189289 + 271086835600 = 2577267^2 + 520660^2 .

It is not a de Polignac number, because 6913392024889 - 229 = 6912855153977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6913392024889.

It is not an unprimeable number, because it can be changed into a prime (6913392024809) 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, 1858936572 + ... + 1858940290.

Almost surely, 26913392024889 is an apocalyptic number.

6913392024889 is the 2629333-rd square number.

6913392024889 is the 1314667-th centered octagonal number.

It is an amenable number.

6913392024889 is a deficient number, since it is larger than the sum of its proper divisors (1211314920662).

6913392024889 is an frugal number, since it uses more digits than its factorization.

6913392024889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7654 (or 3827 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 64.

Multiplying 6913392024889 by its sum of digits (64), we get a square (442457089592896 = 210346642).

The spelling of 6913392024889 in words is "six trillion, nine hundred thirteen billion, three hundred ninety-two million, twenty-four thousand, eight hundred eighty-nine".

Divisors: 1 7 49 101 707 3719 4949 10201 26033 71407 182231 375619 499849 2629333 13830961 18405331 37937519 96816727 265562633 677717089 1396927061 1858938431 9778489427 68449425989 141089633161 987627432127 6913392024889