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10479392809 = 20983499423
BaseRepresentation
bin10011100001001111…
…01101100000101001
31000001022211022102121
421300213231200221
5132430211032214
64451505431241
7520455240424
oct116047554051
930038738377
1010479392809
114498386a16
12204563b521
13cb0108962
14715ab29bb
15415005424
hex2709ed829

10479392809 has 4 divisors (see below), whose sum is σ = 10479913216. Its totient is φ = 10478872404.

The previous prime is 10479392801. The next prime is 10479392813. The reversal of 10479392809 is 90829397401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10479392809 - 23 = 10479392801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10479392801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228729 + ... + 270694.

It is an arithmetic number, because the mean of its divisors is an integer number (2619978304).

Almost surely, 210479392809 is an apocalyptic number.

It is an amenable number.

10479392809 is a deficient number, since it is larger than the sum of its proper divisors (520407).

10479392809 is an equidigital number, since it uses as much as digits as its factorization.

10479392809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520406.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 10479392809 in words is "ten billion, four hundred seventy-nine million, three hundred ninety-two thousand, eight hundred nine".

Divisors: 1 20983 499423 10479392809