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9968732279 = 113142169439
BaseRepresentation
bin10010100100010111…
…01100100001110111
3221201201221001212122
421102023230201313
5130403443413104
64325104310155
7502014553262
oct112213544167
927651831778
109968732279
1142560a9120
121b2261235b
13c2b39046c
146a7d43cd9
153d52836be
hex2522ec877

9968732279 has 16 divisors (see below), whose sum is σ = 11252613120. Its totient is φ = 8749188000.

The previous prime is 9968732273. The next prime is 9968732353. The reversal of 9968732279 is 9722378699.

9968732279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9968732279 - 28 = 9968732023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9968732273) 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 15 ways as a sum of consecutive naturals, for example, 108842 + ... + 178280.

It is an arithmetic number, because the mean of its divisors is an integer number (703288320).

Almost surely, 29968732279 is an apocalyptic number.

9968732279 is a deficient number, since it is larger than the sum of its proper divisors (1283880841).

9968732279 is a wasteful number, since it uses less digits than its factorization.

9968732279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69902.

The product of its digits is 20575296, while the sum is 62.

The square root of 9968732279 is about 99843.5389947692. The cubic root of 9968732279 is about 2152.1868701680.

It can be divided in two parts, 9968 and 732279, that added together give a palindrome (742247).

The spelling of 9968732279 in words is "nine billion, nine hundred sixty-eight million, seven hundred thirty-two thousand, two hundred seventy-nine".

Divisors: 1 11 31 341 421 4631 13051 69439 143561 763829 2152609 23678699 29233819 321572009 906248389 9968732279