Search a number
-
+
12980240816 = 241914247461
BaseRepresentation
bin11000001011010111…
…01100000110110000
31020111121121112221212
430011223230012300
5203040420201231
65544003335252
7636443140454
oct140553540660
936447545855
1012980240816
11556100a054
122623081528
1312bb27408a
148b1ca4664
1550e84c42b
hex305aec1b0

12980240816 has 20 divisors (see below), whose sum is σ = 25280893824. Its totient is φ = 6456139200.

The previous prime is 12980240807. The next prime is 12980240821. The reversal of 12980240816 is 61804208921.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 2120675 + ... + 2126786.

Almost surely, 212980240816 is an apocalyptic number.

12980240816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12980240816 is a deficient number, since it is larger than the sum of its proper divisors (12300653008).

12980240816 is a wasteful number, since it uses less digits than its factorization.

12980240816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247660 (or 4247654 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 12980240816 in words is "twelve billion, nine hundred eighty million, two hundred forty thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 191 382 764 1528 3056 4247461 8494922 16989844 33979688 67959376 811265051 1622530102 3245060204 6490120408 12980240816