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13876438320 = 243356424277
BaseRepresentation
bin11001110110001100…
…11010010100110000
31022211001222002211000
430323012122110300
5211404332011240
610212540122000
71000604531253
oct147306322460
938731862730
1013876438320
115980984548
122833236300
131401b38a64
14958d1109a
15563377430
hex33b19a530

13876438320 has 80 divisors (see below), whose sum is σ = 47796628320. Its totient is φ = 3700382976.

The previous prime is 13876438291. The next prime is 13876438339. The reversal of 13876438320 is 2383467831.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 3209979 + ... + 3214298.

It is an arithmetic number, because the mean of its divisors is an integer number (597457854).

Almost surely, 213876438320 is an apocalyptic number.

13876438320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13876438320 is an abundant number, since it is smaller than the sum of its proper divisors (33920190000).

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

13876438320 is a wasteful number, since it uses less digits than its factorization.

13876438320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424299 (or 6424287 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 13876438320 in words is "thirteen billion, eight hundred seventy-six million, four hundred thirty-eight thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 432 540 720 1080 2160 6424277 12848554 19272831 25697108 32121385 38545662 51394216 57818493 64242770 77091324 96364155 102788432 115636986 128485540 154182648 173455479 192728310 231273972 256971080 289092465 308365296 346910958 385456620 462547944 513942160 578184930 693821916 770913240 867277395 925095888 1156369860 1387643832 1541826480 1734554790 2312739720 2775287664 3469109580 4625479440 6938219160 13876438320