Search a number
-
+
12302579748 = 2238273123923
BaseRepresentation
bin10110111010100101…
…00111100000100100
31011202101110210201210
423131102213200210
5200143430022443
65352434551420
7613604126304
oct133522474044
934671423653
1012302579748
115243538288
122474138570
131210a568b4
14849ca3604
154c00ddc33
hex2dd4a7824

12302579748 has 24 divisors (see below), whose sum is σ = 28709720928. Its totient is φ = 4100331136.

The previous prime is 12302579719. The next prime is 12302579827. The reversal of 12302579748 is 84797520321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12302579697 and 12302579706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37315 + ... + 161237.

It is an arithmetic number, because the mean of its divisors is an integer number (1196238372).

Almost surely, 212302579748 is an apocalyptic number.

It is an amenable number.

12302579748 is an abundant number, since it is smaller than the sum of its proper divisors (16407141180).

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

12302579748 is a wasteful number, since it uses less digits than its factorization.

12302579748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132203 (or 132201 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 12302579748 in words is "twelve billion, three hundred two million, five hundred seventy-nine thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 8273 16546 24819 33092 49638 99276 123923 247846 371769 495692 743538 1487076 1025214979 2050429958 3075644937 4100859916 6151289874 12302579748