Search a number
-
+
12499500984 = 2332831840327
BaseRepresentation
bin10111010010000011…
…10011111110111000
31012021010000102212220
423221001303332320
5201044333012414
65424151404040
7621515001555
oct135101637670
935233012786
1012499500984
115334708103
12250a083620
1312427a3739
148680c3a2c
154d253aca9
hex2e9073fb8

12499500984 has 32 divisors (see below), whose sum is σ = 31359189120. Its totient is φ = 4151775456.

The previous prime is 12499500983. The next prime is 12499501019. The reversal of 12499500984 is 48900599421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12499500983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913372 + ... + 926955.

It is an arithmetic number, because the mean of its divisors is an integer number (979974660).

Almost surely, 212499500984 is an apocalyptic number.

It is an amenable number.

12499500984 is an abundant number, since it is smaller than the sum of its proper divisors (18859688136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12499500984 is a wasteful number, since it uses less digits than its factorization.

12499500984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840619 (or 1840615 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 12499500984 in words is "twelve billion, four hundred ninety-nine million, five hundred thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 283 566 849 1132 1698 2264 3396 6792 1840327 3680654 5520981 7361308 11041962 14722616 22083924 44167848 520812541 1041625082 1562437623 2083250164 3124875246 4166500328 6249750492 12499500984