Search a number
-
+
12693094621 = 43476280601
BaseRepresentation
bin10111101001001000…
…10100000011011101
31012202121022000102121
423310210110003131
5201443413011441
65455305022541
7626355344524
oct136444240335
935677260377
1012693094621
115423a14949
122562a84a51
131273926a9c
14885ab94bb
154e452bdd1
hex2f49140dd

12693094621 has 8 divisors (see below), whose sum is σ = 13264631424. Its totient is φ = 12134119200.

The previous prime is 12693094577. The next prime is 12693094637. The reversal of 12693094621 is 12649039621.

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

It is a cyclic number.

It is not a de Polignac number, because 12693094621 - 27 = 12693094493 is a prime.

It is a super-2 number, since 2×126930946212 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12693094691) 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, 3138280 + ... + 3142321.

It is an arithmetic number, because the mean of its divisors is an integer number (1658078928).

Almost surely, 212693094621 is an apocalyptic number.

It is an amenable number.

12693094621 is a deficient number, since it is larger than the sum of its proper divisors (571536803).

12693094621 is an equidigital number, since it uses as much as digits as its factorization.

12693094621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280691.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 12693094621 in words is "twelve billion, six hundred ninety-three million, ninety-four thousand, six hundred twenty-one".

Divisors: 1 43 47 2021 6280601 270065843 295188247 12693094621