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14720080051 = 31511467141
BaseRepresentation
bin11011011010110001…
…01001100010110011
31101222212102112201001
431231120221202303
5220121320030201
610432354222431
71030530421165
oct155530514263
941885375631
1014720080051
116274113016
122a29884a17
13150785bc51
149d8d9a935
155b2470301
hex36d6298b3

14720080051 has 4 divisors (see below), whose sum is σ = 14720578704. Its totient is φ = 14719581400.

The previous prime is 14720080031. The next prime is 14720080057. The reversal of 14720080051 is 15008002741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15008002741 = 24416148301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14720080051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14720080057) 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, 202060 + ... + 265081.

It is an arithmetic number, because the mean of its divisors is an integer number (3680144676).

Almost surely, 214720080051 is an apocalyptic number.

14720080051 is a deficient number, since it is larger than the sum of its proper divisors (498653).

14720080051 is an equidigital number, since it uses as much as digits as its factorization.

14720080051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498652.

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 14720080051 its reverse (15008002741), we get a palindrome (29728082792).

The spelling of 14720080051 in words is "fourteen billion, seven hundred twenty million, eighty thousand, fifty-one".

Divisors: 1 31511 467141 14720080051