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130641954187 = 695918773093
BaseRepresentation
bin111100110101011011…
…1100000010110001011
3110111012122212220012211
41321222313200112023
54120023320013222
6140003250245551
712303300200623
oct1715267402613
9414178786184
10130641954187
115044aa82888
122139b8868b7
13c41cb9c594
146474853883
1535e93bc277
hex1e6ade058b

130641954187 has 4 divisors (see below), whose sum is σ = 130660734240. Its totient is φ = 130623174136.

The previous prime is 130641954169. The next prime is 130641954227. The reversal of 130641954187 is 781459146031.

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

It is a cyclic number.

It is not a de Polignac number, because 130641954187 - 235 = 96282215819 is a prime.

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 130641954187.

It is not an unprimeable number, because it can be changed into a prime (130641954167) 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, 9379588 + ... + 9393505.

It is an arithmetic number, because the mean of its divisors is an integer number (32665183560).

Almost surely, 2130641954187 is an apocalyptic number.

130641954187 is a deficient number, since it is larger than the sum of its proper divisors (18780053).

130641954187 is an equidigital number, since it uses as much as digits as its factorization.

130641954187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18780052.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 130641954187 in words is "one hundred thirty billion, six hundred forty-one million, nine hundred fifty-four thousand, one hundred eighty-seven".

Divisors: 1 6959 18773093 130641954187