Search a number
-
+
12500323372 = 226834575521
BaseRepresentation
bin10111010010001001…
…11100110000101100
31012021011120012222201
423221010330300230
5201100040321442
65424221151244
7621524665315
oct135104746054
935234505881
1012500323372
115335119a69
12250a3bb524
131242a00b64
1486825960c
154d264e7b7
hex2e913cc2c

12500323372 has 12 divisors (see below), whose sum is σ = 21907599336. Its totient is φ = 6241009280.

The previous prime is 12500323309. The next prime is 12500323373. The reversal of 12500323372 is 27332300521.

It is a self number, because there is not a number n which added to its sum of digits gives 12500323372.

It is not an unprimeable number, because it can be changed into a prime (12500323373) 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, 2285029 + ... + 2290492.

It is an arithmetic number, because the mean of its divisors is an integer number (1825633278).

Almost surely, 212500323372 is an apocalyptic number.

It is an amenable number.

12500323372 is a deficient number, since it is larger than the sum of its proper divisors (9407275964).

12500323372 is a wasteful number, since it uses less digits than its factorization.

12500323372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4576208 (or 4576206 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

Adding to 12500323372 its reverse (27332300521), we get a palindrome (39832623893).

The spelling of 12500323372 in words is "twelve billion, five hundred million, three hundred twenty-three thousand, three hundred seventy-two".

Divisors: 1 2 4 683 1366 2732 4575521 9151042 18302084 3125080843 6250161686 12500323372