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13922909931 = 372372559829
BaseRepresentation
bin11001111011101111…
…01011111011101011
31022221022102002212210
430331313223323223
5212003231104211
610221320140203
71002010532100
oct147567537353
938838362783
1013922909931
1159a5135337
122846907663
13140b65a158
1496116aaa7
155674a69a6
hex33ddebeeb

13922909931 has 24 divisors (see below), whose sum is σ = 22178367120. Its totient is φ = 7740919872.

The previous prime is 13922909921. The next prime is 13922909941. The reversal of 13922909931 is 13990922931.

It is an interprime number because it is at equal distance from previous prime (13922909921) and next prime (13922909941).

It is not a de Polignac number, because 13922909931 - 25 = 13922909899 is a prime.

It is a super-2 number, since 2×139229099312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13922909921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1274476 + ... + 1285353.

It is an arithmetic number, because the mean of its divisors is an integer number (924098630).

Almost surely, 213922909931 is an apocalyptic number.

13922909931 is a deficient number, since it is larger than the sum of its proper divisors (8255457189).

13922909931 is a wasteful number, since it uses less digits than its factorization.

13922909931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559883 (or 2559876 counting only the distinct ones).

The product of its (nonzero) digits is 236196, while the sum is 48.

The spelling of 13922909931 in words is "thirteen billion, nine hundred twenty-two million, nine hundred nine thousand, nine hundred thirty-one".

Divisors: 1 3 7 21 37 49 111 147 259 777 1813 5439 2559829 7679487 17918803 53756409 94713673 125431621 284141019 376294863 662995711 1988987133 4640969977 13922909931