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130542355 = 526108471
BaseRepresentation
bin1111100011111…
…10101100010011
3100002122020110001
413301332230103
5231404323410
620541550431
73143406646
oct761765423
9302566401
10130542355
1167762449
1237875417
13210785c8
14134a1a5d
15b6d933a
hex7c7eb13

130542355 has 4 divisors (see below), whose sum is σ = 156650832. Its totient is φ = 104433880.

The previous prime is 130542329. The next prime is 130542361. The reversal of 130542355 is 553245031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553245031 = 2903190577.

It is not a de Polignac number, because 130542355 - 213 = 130534163 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13054231 + ... + 13054240.

It is an arithmetic number, because the mean of its divisors is an integer number (39162708).

Almost surely, 2130542355 is an apocalyptic number.

130542355 is a deficient number, since it is larger than the sum of its proper divisors (26108477).

130542355 is an equidigital number, since it uses as much as digits as its factorization.

130542355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26108476.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 130542355 is about 11425.5133363889. The cubic root of 130542355 is about 507.2832015016.

Adding to 130542355 its reverse (553245031), we get a palindrome (683787386).

It can be divided in two parts, 1305 and 42355, that added together give a triangular number (43660 = T295).

The spelling of 130542355 in words is "one hundred thirty million, five hundred forty-two thousand, three hundred fifty-five".

Divisors: 1 5 26108471 130542355