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13478189064 = 2331580335537
BaseRepresentation
bin11001000110101110…
…01101100000001000
31021210022120221112120
430203113031200020
5210100404022224
610105232211240
7655000500564
oct144327154010
937708527476
1013478189064
1157970a4a2a
122741999b20
13136a48b302
1491c0846a4
1553d40c779
hex3235cd808

13478189064 has 32 divisors (see below), whose sum is σ = 33698553120. Its totient is φ = 4492318976.

The previous prime is 13478189063. The next prime is 13478189069. The reversal of 13478189064 is 46098187431.

It is a junction number, because it is equal to n+sod(n) for n = 13478188998 and 13478189016.

It is not an unprimeable number, because it can be changed into a prime (13478189063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361504 + ... + 397040.

It is an arithmetic number, because the mean of its divisors is an integer number (1053079785).

Almost surely, 213478189064 is an apocalyptic number.

It is an amenable number.

13478189064 is an abundant number, since it is smaller than the sum of its proper divisors (20220364056).

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

13478189064 is a wasteful number, since it uses less digits than its factorization.

13478189064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51349 (or 51345 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 13478189064 in words is "thirteen billion, four hundred seventy-eight million, one hundred eighty-nine thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 24 15803 31606 35537 47409 63212 71074 94818 106611 126424 142148 189636 213222 284296 379272 426444 852888 561591211 1123182422 1684773633 2246364844 3369547266 4492729688 6739094532 13478189064