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13478709274 = 2231999146581
BaseRepresentation
bin11001000110110010…
…01100100000011010
31021210100120101010121
430203121030200122
5210101022144044
610105251303454
7655005065332
oct144331144032
937710511117
1013478709274
11579741a858
122741baab8a
13136a611024
1491c17c0c2
1553d4b1984
hex32364c81a

13478709274 has 16 divisors (see below), whose sum is σ = 21107808000. Its totient is φ = 6443070480.

The previous prime is 13478709259. The next prime is 13478709281. The reversal of 13478709274 is 47290787431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18664 + ... + 165244.

It is an arithmetic number, because the mean of its divisors is an integer number (1319238000).

Almost surely, 213478709274 is an apocalyptic number.

13478709274 is a deficient number, since it is larger than the sum of its proper divisors (7629098726).

13478709274 is a wasteful number, since it uses less digits than its factorization.

13478709274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148605.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 13478709274 in words is "thirteen billion, four hundred seventy-eight million, seven hundred nine thousand, two hundred seventy-four".

Divisors: 1 2 23 46 1999 3998 45977 91954 146581 293162 3371363 6742726 293015419 586030838 6739354637 13478709274