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108551315153 = 997108877949
BaseRepresentation
bin110010100011000101…
…0011001111011010001
3101101012010110011100202
41211012022121323101
53234303114041103
6121511235224545
710562000645321
oct1450612317321
9341163404322
10108551315153
1142044429806
1219055748155
13a30c333838
14537aa3b281
152c54d37988
hex1946299ed1

108551315153 has 4 divisors (see below), whose sum is σ = 108660194100. Its totient is φ = 108442436208.

The previous prime is 108551315149. The next prime is 108551315167. The reversal of 108551315153 is 351513155801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 351513155801 = 2315283180687.

It can be written as a sum of positive squares in 2 ways, for example, as 99585687184 + 8965627969 = 315572^2 + 94687^2 .

It is a cyclic number.

It is not a de Polignac number, because 108551315153 - 22 = 108551315149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108551315053) 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, 54437978 + ... + 54439971.

It is an arithmetic number, because the mean of its divisors is an integer number (27165048525).

Almost surely, 2108551315153 is an apocalyptic number.

It is an amenable number.

108551315153 is a deficient number, since it is larger than the sum of its proper divisors (108878947).

108551315153 is an equidigital number, since it uses as much as digits as its factorization.

108551315153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108878946.

The product of its (nonzero) digits is 45000, while the sum is 38.

The spelling of 108551315153 in words is "one hundred eight billion, five hundred fifty-one million, three hundred fifteen thousand, one hundred fifty-three".

Divisors: 1 997 108877949 108551315153