Search a number
-
+
107908800049 = 690715623107
BaseRepresentation
bin110010001111111011…
…1011001111000110001
3101022112100110000100001
41210133313121320301
53231444123100144
6121323404030001
710540036444411
oct1443767317061
9338470400301
10107908800049
1141844782696
1218ab6532301
13a2391a069b
145319588641
152c1871cbd4
hex191fdd9e31

107908800049 has 4 divisors (see below), whose sum is σ = 107924430064. Its totient is φ = 107893170036.

The previous prime is 107908799989. The next prime is 107908800071. The reversal of 107908800049 is 940008809701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 107908800049 - 213 = 107908791857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 107908799981 and 107908800008.

It is not an unprimeable number, because it can be changed into a prime (107908800749) 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, 7804647 + ... + 7818460.

It is an arithmetic number, because the mean of its divisors is an integer number (26981107516).

Almost surely, 2107908800049 is an apocalyptic number.

It is an amenable number.

107908800049 is a deficient number, since it is larger than the sum of its proper divisors (15630015).

107908800049 is an equidigital number, since it uses as much as digits as its factorization.

107908800049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15630014.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 107908800049 in words is "one hundred seven billion, nine hundred eight million, eight hundred thousand, forty-nine".

Divisors: 1 6907 15623107 107908800049