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13974974473 = 84611651693
BaseRepresentation
bin11010000001111100…
…10011000000001001
31100001221101021000011
431000332103000021
5212110043140343
610230420111521
71003212215545
oct150076230011
940057337004
1013974974473
115a21566189
1228602355a1
131419389185
14968040a25
1556bd3d29d
hex340f93009

13974974473 has 4 divisors (see below), whose sum is σ = 13976634628. Its totient is φ = 13973314320.

The previous prime is 13974974467. The next prime is 13974974477. The reversal of 13974974473 is 37447947931.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11872935369 + 2102039104 = 108963^2 + 45848^2 .

It is a cyclic number.

It is not a de Polignac number, because 13974974473 - 229 = 13438103561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13974974477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817386 + ... + 834307.

It is an arithmetic number, because the mean of its divisors is an integer number (3494158657).

Almost surely, 213974974473 is an apocalyptic number.

It is an amenable number.

13974974473 is a deficient number, since it is larger than the sum of its proper divisors (1660155).

13974974473 is an equidigital number, since it uses as much as digits as its factorization.

13974974473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660154.

The product of its digits is 16003008, while the sum is 58.

The spelling of 13974974473 in words is "thirteen billion, nine hundred seventy-four million, nine hundred seventy-four thousand, four hundred seventy-three".

Divisors: 1 8461 1651693 13974974473