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130014719 = 228156999
BaseRepresentation
bin1111011111111…
…01110111111111
3100001122102122222
413233331313333
5231240432334
620522355555
73136051442
oct757756777
9301572588
10130014719
1167431a8a
123765bbbb
1320c223b3
14133a5659
15b632d2e
hex7bfddff

130014719 has 4 divisors (see below), whose sum is σ = 130074000. Its totient is φ = 129955440.

The previous prime is 130014667. The next prime is 130014727. The reversal of 130014719 is 917410031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 917410031 = 4321335117.

It is a cyclic number.

It is not a de Polignac number, because 130014719 - 212 = 130010623 is a prime.

It is a super-2 number, since 2×1300147192 = 33807654313297922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130014779) 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, 26219 + ... + 30780.

It is an arithmetic number, because the mean of its divisors is an integer number (32518500).

Almost surely, 2130014719 is an apocalyptic number.

130014719 is a deficient number, since it is larger than the sum of its proper divisors (59281).

130014719 is an equidigital number, since it uses as much as digits as its factorization.

130014719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59280.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 130014719 is about 11402.3997035712. The cubic root of 130014719 is about 506.5988200261.

The spelling of 130014719 in words is "one hundred thirty million, fourteen thousand, seven hundred nineteen".

Divisors: 1 2281 56999 130014719