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14790479509 = 134987228139
BaseRepresentation
bin11011100011001010…
…01100111010010101
31102011202220012121101
431301211030322111
5220242330321014
610443351150101
71032344000341
oct156145147225
942152805541
1014790479509
1162aa927193
122a49375331
13151930a530
14a04484621
155b8729474
hex37194ce95

14790479509 has 8 divisors (see below), whose sum is σ = 15931472480. Its totient is φ = 13649952816.

The previous prime is 14790479489. The next prime is 14790479527. The reversal of 14790479509 is 90597409741.

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 14790479509 - 211 = 14790477461 is a prime.

It is a super-2 number, since 2×147904795092 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14790479509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14790479569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49239 + ... + 178900.

It is an arithmetic number, because the mean of its divisors is an integer number (1991434060).

Almost surely, 214790479509 is an apocalyptic number.

It is an amenable number.

14790479509 is a deficient number, since it is larger than the sum of its proper divisors (1140992971).

14790479509 is a wasteful number, since it uses less digits than its factorization.

14790479509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233139.

The product of its (nonzero) digits is 2857680, while the sum is 55.

The spelling of 14790479509 in words is "fourteen billion, seven hundred ninety million, four hundred seventy-nine thousand, five hundred nine".

Divisors: 1 13 4987 64831 228139 2965807 1137729193 14790479509