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130219091 = 577225683
BaseRepresentation
bin1111100001011…
…11110001010011
3100002000211000022
413300233301103
5231314002331
620531014055
73140562332
oct760576123
9302024008
10130219091
1167561592
123773a32b
1320c94422
1413419d19
15b67367b
hex7c2fc53

130219091 has 4 divisors (see below), whose sum is σ = 130445352. Its totient is φ = 129992832.

The previous prime is 130219081. The next prime is 130219151. The reversal of 130219091 is 190912031.

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 130219091 - 218 = 129956947 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 130219091.

It is not an unprimeable number, because it can be changed into a prime (130219081) 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, 112265 + ... + 113418.

It is an arithmetic number, because the mean of its divisors is an integer number (32611338).

Almost surely, 2130219091 is an apocalyptic number.

130219091 is a deficient number, since it is larger than the sum of its proper divisors (226261).

130219091 is an equidigital number, since it uses as much as digits as its factorization.

130219091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226260.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 130219091 is about 11411.3579822912. The cubic root of 130219091 is about 506.8641243777.

The spelling of 130219091 in words is "one hundred thirty million, two hundred nineteen thousand, ninety-one".

Divisors: 1 577 225683 130219091