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479343472513 = 4216571136809
BaseRepresentation
bin1101111100110110001…
…10001110111110000001
31200211021021022101120221
412332123012032332001
530323143412110023
61004112442103041
746426402201213
oct6763306167601
91624237271527
10479343472513
11175319991684
1278a971aaa81
1336281745049
14192b3a7c5b3
15c70743085d
hex6f9b18ef81

479343472513 has 4 divisors (see below), whose sum is σ = 479345030980. Its totient is φ = 479341914048.

The previous prime is 479343472507. The next prime is 479343472537. The reversal of 479343472513 is 315274343974.

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 271892373489 + 207451099024 = 521433^2 + 455468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-479343472513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479343473513) 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, 146748 + ... + 990061.

It is an arithmetic number, because the mean of its divisors is an integer number (119836257745).

Almost surely, 2479343472513 is an apocalyptic number.

It is an amenable number.

479343472513 is a deficient number, since it is larger than the sum of its proper divisors (1558467).

479343472513 is a wasteful number, since it uses less digits than its factorization.

479343472513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558466.

The product of its digits is 7620480, while the sum is 52.

The spelling of 479343472513 in words is "four hundred seventy-nine billion, three hundred forty-three million, four hundred seventy-two thousand, five hundred thirteen".

Divisors: 1 421657 1136809 479343472513