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13868071460 = 2252334396779
BaseRepresentation
bin11001110101001100…
…11111101000100100
31022210111020000122022
430322212133220210
5211400211241320
610212040522312
71000443443135
oct147246375044
938714200568
1013868071460
11597718a391
122830480398
131400199659
14957b73c8c
15562773325
hex33a99fa24

13868071460 has 48 divisors (see below), whose sum is σ = 29318889600. Its totient is φ = 5510025984.

The previous prime is 13868071457. The next prime is 13868071489. The reversal of 13868071460 is 6417086831.

It is a super-3 number, since 3×138680714603 (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2042351 + ... + 2049129.

It is an arithmetic number, because the mean of its divisors is an integer number (610810200).

Almost surely, 213868071460 is an apocalyptic number.

13868071460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13868071460 is an abundant number, since it is smaller than the sum of its proper divisors (15450818140).

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

13868071460 is a wasteful number, since it uses less digits than its factorization.

13868071460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7460 (or 7458 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 13868071460 in words is "thirteen billion, eight hundred sixty-eight million, seventy-one thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 233 439 466 878 932 1165 1756 2195 2330 4390 4660 6779 8780 13558 27116 33895 67790 102287 135580 204574 409148 511435 1022870 1579507 2045740 2975981 3159014 5951962 6318028 7897535 11903924 14879905 15795070 29759810 31590140 59519620 693403573 1386807146 2773614292 3467017865 6934035730 13868071460