Search a number
-
+
108372902513 = 116579296809
BaseRepresentation
bin110010011101110000…
…1110100001001110001
3101100201200201212020012
41210323201310021301
53233421430340023
6121441423224305
710554403321001
oct1447341641161
9340650655205
10108372902513
1141a62750747
1219005a48095
13a2b1397325
145361078001
152c44344978
hex193b874271

108372902513 has 4 divisors (see below), whose sum is σ = 108382210980. Its totient is φ = 108363594048.

The previous prime is 108372902497. The next prime is 108372902549. The reversal of 108372902513 is 315209273801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315209273801 = 1916589961779.

It can be written as a sum of positive squares in 2 ways, for example, as 65901050944 + 42471851569 = 256712^2 + 206087^2 .

It is a cyclic number.

It is not a de Polignac number, because 108372902513 - 24 = 108372902497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108372902593) 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, 4636748 + ... + 4660061.

It is an arithmetic number, because the mean of its divisors is an integer number (27095552745).

Almost surely, 2108372902513 is an apocalyptic number.

It is an amenable number.

108372902513 is a deficient number, since it is larger than the sum of its proper divisors (9308467).

108372902513 is an equidigital number, since it uses as much as digits as its factorization.

108372902513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9308466.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 108372902513 in words is "one hundred eight billion, three hundred seventy-two million, nine hundred two thousand, five hundred thirteen".

Divisors: 1 11657 9296809 108372902513