Search a number
-
+
100387196872 = 2361205711469
BaseRepresentation
bin101110101111110001…
…0110000111111001000
3100121010011012222111121
41131133202300333020
53121043110244442
6114041154005024
710152455044234
oct1353742607710
9317104188447
10100387196872
1139634a56916
1217557576774
13960aaba611
144c046515c4
15292821e967
hex175f8b0fc8

100387196872 has 16 divisors (see below), whose sum is σ = 191311667100. Its totient is φ = 49370752320.

The previous prime is 100387196831. The next prime is 100387196879. The reversal of 100387196872 is 278691783001.

It can be written as a sum of positive squares in 2 ways, for example, as 99960939556 + 426257316 = 316166^2 + 20646^2 .

It is not an unprimeable number, because it can be changed into a prime (100387196879) 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, 102855247 + ... + 102856222.

Almost surely, 2100387196872 is an apocalyptic number.

It is an amenable number.

100387196872 is a deficient number, since it is larger than the sum of its proper divisors (90924470228).

100387196872 is a wasteful number, since it uses less digits than its factorization.

100387196872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205711536 (or 205711532 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 100387196872 in words is "one hundred billion, three hundred eighty-seven million, one hundred ninety-six thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 61 122 244 488 205711469 411422938 822845876 1645691752 12548399609 25096799218 50193598436 100387196872