Search a number
-
+
12373557828 = 2231031129819
BaseRepresentation
bin10111000011000010…
…11000001001000100
31011221100000212100120
423201201120021010
5200320112322303
65403452141540
7615425335422
oct134141301104
934840025316
1012373557828
11527a607155
122493a678b0
131222678668
1485549c112
154c645e553
hex2e1858244

12373557828 has 12 divisors (see below), whose sum is σ = 28871634960. Its totient is φ = 4124519272.

The previous prime is 12373557809. The next prime is 12373557839. The reversal of 12373557828 is 82875537321.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515564898 + ... + 515564921.

It is an arithmetic number, because the mean of its divisors is an integer number (2405969580).

Almost surely, 212373557828 is an apocalyptic number.

It is an amenable number.

12373557828 is an abundant number, since it is smaller than the sum of its proper divisors (16498077132).

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

12373557828 is a wasteful number, since it uses less digits than its factorization.

12373557828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031129826 (or 1031129824 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 51.

The spelling of 12373557828 in words is "twelve billion, three hundred seventy-three million, five hundred fifty-seven thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 1031129819 2062259638 3093389457 4124519276 6186778914 12373557828