Search a number
-
+
12281192953 = 232811900231
BaseRepresentation
bin10110111000000010…
…00010000111111001
31011200220020020120021
423130001002013321
5200122441133303
65350352330441
7613224263161
oct133401020771
934626206507
1012281192953
115232460047
122468b43a21
1312094a91a3
148470d75a1
154bd2b6ebd
hex2dc0421f9

12281192953 has 8 divisors (see below), whose sum is σ = 12860770176. Its totient is φ = 11705416800.

The previous prime is 12281192941. The next prime is 12281192969. The reversal of 12281192953 is 35929118221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12281192953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12281192923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943653 + ... + 956578.

It is an arithmetic number, because the mean of its divisors is an integer number (1607596272).

Almost surely, 212281192953 is an apocalyptic number.

It is an amenable number.

12281192953 is a deficient number, since it is larger than the sum of its proper divisors (579577223).

12281192953 is a wasteful number, since it uses less digits than its factorization.

12281192953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900535.

The product of its digits is 77760, while the sum is 43.

The spelling of 12281192953 in words is "twelve billion, two hundred eighty-one million, one hundred ninety-two thousand, nine hundred fifty-three".

Divisors: 1 23 281 6463 1900231 43705313 533964911 12281192953