Search a number
-
+
100631030425 = 5222111182047
BaseRepresentation
bin101110110111000010…
…0111010101010011001
3100121202011001000020221
41131232010322222121
53122043020433200
6114121304120041
710161505434232
oct1355604725231
9317664030227
10100631030425
113974a658652
1217605166021
139649481323
144c28ba4089
15293e83691a
hex176e13aa99

100631030425 has 12 divisors (see below), whose sum is σ = 124788806656. Its totient is φ = 80500741200.

The previous prime is 100631030417. The next prime is 100631030449. The reversal of 100631030425 is 524030136001.

It is not a de Polignac number, because 100631030425 - 23 = 100631030417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100631030425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 461752 + ... + 643798.

Almost surely, 2100631030425 is an apocalyptic number.

It is an amenable number.

100631030425 is a deficient number, since it is larger than the sum of its proper divisors (24157776231).

100631030425 is a wasteful number, since it uses less digits than its factorization.

100631030425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204168 (or 204163 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 100631030425 its reverse (524030136001), we get a palindrome (624661166426).

The spelling of 100631030425 in words is "one hundred billion, six hundred thirty-one million, thirty thousand, four hundred twenty-five".

Divisors: 1 5 25 22111 110555 182047 552775 910235 4551175 4025241217 20126206085 100631030425