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12100937384 = 231512617173
BaseRepresentation
bin10110100010100010…
…11010011010101000
31011020100001022102002
423101101122122220
5144240314444014
65320433030132
7605605161554
oct132121323250
934210038362
1012100937384
11514a7333a8
1224186b5348
1311ab045ba3
1482b1b4864
154ac55cdde
hex2d145a6a8

12100937384 has 8 divisors (see below), whose sum is σ = 22689257610. Its totient is φ = 6050468688.

The previous prime is 12100937383. The next prime is 12100937393. The reversal of 12100937384 is 48373900121.

It can be written as a sum of positive squares in only one way, i.e., 8376276484 + 3724660900 = 91522^2 + 61030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12100937383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756308579 + ... + 756308594.

Almost surely, 212100937384 is an apocalyptic number.

It is an amenable number.

12100937384 is a deficient number, since it is larger than the sum of its proper divisors (10588320226).

12100937384 is a wasteful number, since it uses less digits than its factorization.

12100937384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512617179 (or 1512617175 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 12100937384 in words is "twelve billion, one hundred million, nine hundred thirty-seven thousand, three hundred eighty-four".

Divisors: 1 2 4 8 1512617173 3025234346 6050468692 12100937384