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13478662848 = 263721432681
BaseRepresentation
bin11001000110110010…
…00001001011000000
31021210100111000110010
430203121001023000
5210101014202343
610105250304520
7655004513100
oct144331011300
937710430403
1013478662848
115797398992
122741b88140
13136a5c5b61
1491c169200
1553d4a2d33
hex3236412c0

13478662848 has 84 divisors (see below), whose sum is σ = 41484739992. Its totient is φ = 3851043840.

The previous prime is 13478662843. The next prime is 13478662853. The reversal of 13478662848 is 84826687431.

It is an interprime number because it is at equal distance from previous prime (13478662843) and next prime (13478662853).

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×134786628482 (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13478662843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 706933 + ... + 725748.

Almost surely, 213478662848 is an apocalyptic number.

It is an amenable number.

13478662848 is an abundant number, since it is smaller than the sum of its proper divisors (28006077144).

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

13478662848 is a wasteful number, since it uses less digits than its factorization.

13478662848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432710 (or 1432693 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 57.

The spelling of 13478662848 in words is "thirteen billion, four hundred seventy-eight million, six hundred sixty-two thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 147 168 192 196 224 294 336 392 448 588 672 784 1176 1344 1568 2352 3136 4704 9408 1432681 2865362 4298043 5730724 8596086 10028767 11461448 17192172 20057534 22922896 30086301 34384344 40115068 45845792 60172602 68768688 70201369 80230136 91691584 120345204 137537376 140402738 160460272 210604107 240690408 275074752 280805476 320920544 421208214 481380816 561610952 641841088 842416428 962761632 1123221904 1684832856 1925523264 2246443808 3369665712 4492887616 6739331424 13478662848