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14718400647 = 315533159133
BaseRepresentation
bin11011011010100100…
…01111100010000111
31101222202021012222220
431231102033202013
5220120402310042
610432254223423
71030510225026
oct155522174207
941882235886
1014718400647
116273176285
122a291b4b73
1315073c1712
149d8a808bd
155b223c8ec
hex36d48f887

14718400647 has 8 divisors (see below), whose sum is σ = 19637176944. Its totient is φ = 9805945728.

The previous prime is 14718400591. The next prime is 14718400661. The reversal of 14718400647 is 74600481741.

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

It is not a de Polignac number, because 14718400647 - 212 = 14718396551 is a prime.

It is a super-2 number, since 2×147184006472 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 14718400599 and 14718400608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14718400547) 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, 1574908 + ... + 1584225.

It is an arithmetic number, because the mean of its divisors is an integer number (2454647118).

Almost surely, 214718400647 is an apocalyptic number.

14718400647 is a deficient number, since it is larger than the sum of its proper divisors (4918776297).

14718400647 is a wasteful number, since it uses less digits than its factorization.

14718400647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160689.

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 14718400647 in words is "fourteen billion, seven hundred eighteen million, four hundred thousand, six hundred forty-seven".

Divisors: 1 3 1553 4659 3159133 9477399 4906133549 14718400647