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13896920886 = 2310322486927
BaseRepresentation
bin11001111000101001…
…00010111100110110
31022212111111201121120
430330110202330312
5211430102432021
610214551124410
71001243610222
oct147424427466
938774451546
1013896920886
1159914a4392
12283a073706
13140615aa14
1495b923782
155650712c6
hex33c522f36

13896920886 has 16 divisors (see below), whose sum is σ = 28063686144. Its totient is φ = 4587332904.

The previous prime is 13896920881. The next prime is 13896920887. The reversal of 13896920886 is 68802969831.

It is a happy number.

It is a super-2 number, since 2×138969208862 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13896920881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11242846 + ... + 11244081.

It is an arithmetic number, because the mean of its divisors is an integer number (1753980384).

Almost surely, 213896920886 is an apocalyptic number.

13896920886 is an abundant number, since it is smaller than the sum of its proper divisors (14166765258).

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

13896920886 is a wasteful number, since it uses less digits than its factorization.

13896920886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22487035.

The product of its (nonzero) digits is 8957952, while the sum is 60.

The spelling of 13896920886 in words is "thirteen billion, eight hundred ninety-six million, nine hundred twenty thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 103 206 309 618 22486927 44973854 67460781 134921562 2316153481 4632306962 6948460443 13896920886