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13979767120 = 2451115886099
BaseRepresentation
bin11010000010100001…
…00101000101010000
31100002021101202021121
431001100211011100
5212112310021440
610231110532024
71003301026354
oct150120450520
940067352247
1013979767120
115a24239a50
122861967014
13141a376767
1496892b464
1556c48834a
hex341425150

13979767120 has 40 divisors (see below), whose sum is σ = 35457775200. Its totient is φ = 5083551360.

The previous prime is 13979767093. The next prime is 13979767121. The reversal of 13979767120 is 2176797931.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13979767121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7942170 + ... + 7943929.

It is an arithmetic number, because the mean of its divisors is an integer number (886444380).

Almost surely, 213979767120 is an apocalyptic number.

13979767120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13979767120 is an abundant number, since it is smaller than the sum of its proper divisors (21478008080).

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

13979767120 is a wasteful number, since it uses less digits than its factorization.

13979767120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15886123 (or 15886117 counting only the distinct ones).

The product of its (nonzero) digits is 1000188, while the sum is 52.

The spelling of 13979767120 in words is "thirteen billion, nine hundred seventy-nine million, seven hundred sixty-seven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 15886099 31772198 63544396 79430495 127088792 158860990 174747089 254177584 317721980 349494178 635443960 698988356 873735445 1270887920 1397976712 1747470890 2795953424 3494941780 6989883560 13979767120