Search a number
-
+
12172442213711 = 137911852426693
BaseRepresentation
bin1011000100100001111000…
…0110000001110101001111
31121002200012102112012022102
42301020132012001311033
53043413130201314321
641515535345105315
72364300315442163
oct261103606016517
947080172465272
1012172442213711
11397333832730a
12144712632823b
136a3b195c2930
14301213b42ca3
15161976d7ec0b
hexb121e181d4f

12172442213711 has 8 divisors (see below), whose sum is σ = 13274717897280. Its totient is φ = 11093871383712.

The previous prime is 12172442213647. The next prime is 12172442213759. The reversal of 12172442213711 is 11731224427121.

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

It is not a de Polignac number, because 12172442213711 - 26 = 12172442213647 is a prime.

It is a super-2 number, since 2×121724422137112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12172441213711) 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, 5926212320 + ... + 5926214373.

It is an arithmetic number, because the mean of its divisors is an integer number (1659339737160).

Almost surely, 212172442213711 is an apocalyptic number.

12172442213711 is a deficient number, since it is larger than the sum of its proper divisors (1102275683569).

12172442213711 is a wasteful number, since it uses less digits than its factorization.

12172442213711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11852426785.

The product of its digits is 37632, while the sum is 38.

The spelling of 12172442213711 in words is "twelve trillion, one hundred seventy-two billion, four hundred forty-two million, two hundred thirteen thousand, seven hundred eleven".

Divisors: 1 13 79 1027 11852426693 154081547009 936341708747 12172442213711