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10639989359 = 172343632843
BaseRepresentation
bin10011110100011000…
…10101101001101111
31000110112000110110222
421322030111221233
5133242314124414
64515443521555
7524445263066
oct117214255157
930415013428
1010639989359
11456aaa653a
12208b3892bb
131007477abc
1472d1591dd
1542417968e
hex27a315a6f

10639989359 has 16 divisors (see below), whose sum is σ = 12029098752. Its totient is φ = 9355936128.

The previous prime is 10639989319. The next prime is 10639989403. The reversal of 10639989359 is 95398993601.

It is not a de Polignac number, because 10639989359 - 212 = 10639985263 is a prime.

It is a super-2 number, since 2×106399893592 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10639989319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299609 + ... + 333234.

It is an arithmetic number, because the mean of its divisors is an integer number (751818672).

Almost surely, 210639989359 is an apocalyptic number.

10639989359 is a deficient number, since it is larger than the sum of its proper divisors (1389109393).

10639989359 is a wasteful number, since it uses less digits than its factorization.

10639989359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632926.

The product of its (nonzero) digits is 14171760, while the sum is 62.

The spelling of 10639989359 in words is "ten billion, six hundred thirty-nine million, nine hundred eighty-nine thousand, three hundred fifty-nine".

Divisors: 1 17 23 43 391 731 989 16813 632843 10758331 14555389 27212249 247441613 462608233 625881727 10639989359