Search a number
-
+
12197104039 = 31393454969
BaseRepresentation
bin10110101110000000…
…10000100110100111
31011111001000002021001
423113000100212213
5144434424312124
65334150134131
7611153450041
oct132700204647
934431002231
1012197104039
115199a4687a
122444951347
1311c4c46933
14839c88a91
154b5c06b44
hex2d70109a7

12197104039 has 4 divisors (see below), whose sum is σ = 12590559040. Its totient is φ = 11803649040.

The previous prime is 12197104009. The next prime is 12197104061. The reversal of 12197104039 is 93040179121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12197104039 - 211 = 12197101991 is a prime.

It is a super-2 number, since 2×121971040392 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12197103989 and 12197104007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12197104009) 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, 196727454 + ... + 196727515.

It is an arithmetic number, because the mean of its divisors is an integer number (3147639760).

Almost surely, 212197104039 is an apocalyptic number.

12197104039 is a deficient number, since it is larger than the sum of its proper divisors (393455001).

12197104039 is an equidigital number, since it uses as much as digits as its factorization.

12197104039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393455000.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 12197104039 in words is "twelve billion, one hundred ninety-seven million, one hundred four thousand, thirty-nine".

Divisors: 1 31 393454969 12197104039