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130554232442 = 265277116221
BaseRepresentation
bin111100110010110100…
…0110111111001111010
3110110222112211011121022
41321211220313321322
54114333340414232
6135550434142442
712301153444244
oct1714550677172
9413875734538
10130554232442
1150405508177
1221376421a22
13c40796761a
146466d3b094
1535e1840812
hex1e65a37e7a

130554232442 has 4 divisors (see below), whose sum is σ = 195831348666. Its totient is φ = 65277116220.

The previous prime is 130554232423. The next prime is 130554232447. The reversal of 130554232442 is 244232455031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 66301615081 + 64252617361 = 257491^2 + 253481^2 .

It is not an unprimeable number, because it can be changed into a prime (130554232447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32638558109 + ... + 32638558112.

Almost surely, 2130554232442 is an apocalyptic number.

130554232442 is a deficient number, since it is larger than the sum of its proper divisors (65277116224).

130554232442 is an equidigital number, since it uses as much as digits as its factorization.

130554232442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65277116223.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 130554232442 its reverse (244232455031), we get a palindrome (374786687473).

The spelling of 130554232442 in words is "one hundred thirty billion, five hundred fifty-four million, two hundred thirty-two thousand, four hundred forty-two".

Divisors: 1 2 65277116221 130554232442