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130554232555 = 526110846511
BaseRepresentation
bin111100110010110100…
…0110111111011101011
3110110222112211011202111
41321211220313323223
54114333340420210
6135550434143151
712301153444465
oct1714550677353
9413875734674
10130554232555
115040550826a
1221376421ab7
13c4079676a6
146466d3b135
1535e184088a
hex1e65a37eeb

130554232555 has 4 divisors (see below), whose sum is σ = 156665079072. Its totient is φ = 104443386040.

The previous prime is 130554232553. The next prime is 130554232559. The reversal of 130554232555 is 555232455031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555232455031 = 2470922470859.

It is not a de Polignac number, because 130554232555 - 21 = 130554232553 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130554232553) 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, 13055423251 + ... + 13055423260.

It is an arithmetic number, because the mean of its divisors is an integer number (39166269768).

Almost surely, 2130554232555 is an apocalyptic number.

130554232555 is a deficient number, since it is larger than the sum of its proper divisors (26110846517).

130554232555 is an equidigital number, since it uses as much as digits as its factorization.

130554232555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26110846516.

The product of its (nonzero) digits is 450000, while the sum is 40.

Adding to 130554232555 its reverse (555232455031), we get a palindrome (685786687586).

The spelling of 130554232555 in words is "one hundred thirty billion, five hundred fifty-four million, two hundred thirty-two thousand, five hundred fifty-five".

Divisors: 1 5 26110846511 130554232555