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13479123747 = 35684379043
BaseRepresentation
bin11001000110110101…
…10001101100100011
31021210101100102200110
430203122301230203
5210101123424442
610105304222403
7655011442605
oct144332615443
937711312613
1013479123747
1157976831a1
12274216aa03
13136a72788b
1491c249175
1553d54469c
hex3236b1b23

13479123747 has 8 divisors (see below), whose sum is σ = 17972708544. Its totient is φ = 8985810728.

The previous prime is 13479123743. The next prime is 13479123751. The reversal of 13479123747 is 74732197431.

13479123747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13479123743) and next prime (13479123751).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13479123747 - 22 = 13479123743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13479123696 and 13479123705.

It is not an unprimeable number, because it can be changed into a prime (13479123743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131008 + ... + 210050.

It is an arithmetic number, because the mean of its divisors is an integer number (2246588568).

Almost surely, 213479123747 is an apocalyptic number.

13479123747 is a deficient number, since it is larger than the sum of its proper divisors (4493584797).

13479123747 is an equidigital number, since it uses as much as digits as its factorization.

13479123747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135889.

The product of its digits is 889056, while the sum is 48.

The spelling of 13479123747 in words is "thirteen billion, four hundred seventy-nine million, one hundred twenty-three thousand, seven hundred forty-seven".

Divisors: 1 3 56843 79043 170529 237129 4493041249 13479123747