Search a number
-
+
12906906607 = 77125969631
BaseRepresentation
bin11000000010100111…
…11100001111101111
31020022111121210100001
430001103330033233
5202413132002412
65532423445131
7634562616220
oct140123741757
936274553301
1012906906607
115523680a71
1226025b67a7
1312a9008a5a
148a6255247
155081b3957
hex3014fc3ef

12906906607 has 8 divisors (see below), whose sum is σ = 14958508032. Its totient is φ = 10907244600.

The previous prime is 12906906563. The next prime is 12906906629. The reversal of 12906906607 is 70660960921.

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

It is not a de Polignac number, because 12906906607 - 219 = 12906382319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12906906697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12984319 + ... + 12985312.

It is an arithmetic number, because the mean of its divisors is an integer number (1869813504).

Almost surely, 212906906607 is an apocalyptic number.

12906906607 is a deficient number, since it is larger than the sum of its proper divisors (2051601425).

12906906607 is an equidigital number, since it uses as much as digits as its factorization.

12906906607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25969709.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 12906906607 in words is "twelve billion, nine hundred six million, nine hundred six thousand, six hundred seven".

Divisors: 1 7 71 497 25969631 181787417 1843843801 12906906607