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108113051 = 432514257
BaseRepresentation
bin1100111000110…
…10110010011011
321112102201020002
412130122302123
5210134104201
614421123215
72451642254
oct634326233
9245381202
10108113051
1156032a32
123025950b
1319524527
1410503b2b
15975876b
hex671ac9b

108113051 has 4 divisors (see below), whose sum is σ = 110627352. Its totient is φ = 105598752.

The previous prime is 108113039. The next prime is 108113069. The reversal of 108113051 is 150311801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150311801 = 857175393.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-108113051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108113851) 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, 1257086 + ... + 1257171.

It is an arithmetic number, because the mean of its divisors is an integer number (27656838).

Almost surely, 2108113051 is an apocalyptic number.

108113051 is a deficient number, since it is larger than the sum of its proper divisors (2514301).

108113051 is an equidigital number, since it uses as much as digits as its factorization.

108113051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514300.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 108113051 is about 10397.7425915436. The cubic root of 108113051 is about 476.3864217904.

Adding to 108113051 its reverse (150311801), we get a palindrome (258424852).

The spelling of 108113051 in words is "one hundred eight million, one hundred thirteen thousand, fifty-one".

Divisors: 1 43 2514257 108113051