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130454755 = 526090951
BaseRepresentation
bin1111100011010…
…01010011100011
3100002110210021121
413301221103203
5231344023010
620540033111
73142563364
oct761512343
9302423247
10130454755
1167702652
1237832797
1321047782
141347bb6b
15b6bd3da
hex7c694e3

130454755 has 4 divisors (see below), whose sum is σ = 156545712. Its totient is φ = 104363800.

The previous prime is 130454749. The next prime is 130454773. The reversal of 130454755 is 557454031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557454031 = 659845909.

It is not a de Polignac number, because 130454755 - 23 = 130454747 is a prime.

It is a super-2 number, since 2×1304547552 = 34036886204220050, which 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 130454755.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13045471 + ... + 13045480.

It is an arithmetic number, because the mean of its divisors is an integer number (39136428).

Almost surely, 2130454755 is an apocalyptic number.

130454755 is a deficient number, since it is larger than the sum of its proper divisors (26090957).

130454755 is an equidigital number, since it uses as much as digits as its factorization.

130454755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26090956.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 130454755 is about 11421.6791672678. The cubic root of 130454755 is about 507.1697058929.

The spelling of 130454755 in words is "one hundred thirty million, four hundred fifty-four thousand, seven hundred fifty-five".

Divisors: 1 5 26090951 130454755