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108190013 = 537128751
BaseRepresentation
bin1100111001011…
…01100100111101
321112120121210112
412130231210331
5210144040023
614422515405
72452412531
oct634554475
9245517715
10108190013
1156085838
1230295b65
1319550579
1410523bc1
159771478
hex672d93d

108190013 has 8 divisors (see below), whose sum is σ = 111787776. Its totient is φ = 104650000.

The previous prime is 108190003. The next prime is 108190063. The reversal of 108190013 is 310091801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108190013 - 216 = 108124477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108190003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10613 + ... + 18138.

It is an arithmetic number, because the mean of its divisors is an integer number (13973472).

Almost surely, 2108190013 is an apocalyptic number.

It is an amenable number.

108190013 is a deficient number, since it is larger than the sum of its proper divisors (3597763).

108190013 is an equidigital number, since it uses as much as digits as its factorization.

108190013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28875.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 108190013 is about 10401.4428326074. The cubic root of 108190013 is about 476.4994360689.

The spelling of 108190013 in words is "one hundred eight million, one hundred ninety thousand, thirteen".

Divisors: 1 53 71 3763 28751 1523803 2041321 108190013