Search a number
-
+
126564715713 = 31918199112379
BaseRepresentation
bin111010111011111011…
…0000100110011000001
3110002200111211201111110
41311313312010303001
54033201031400323
6134050521033533
712100251222162
oct1656766046301
9402614751443
10126564715713
1149748534207
12206423258a9
13bc20276737
1461a9155769
15345b48b793
hex1d77d84cc1

126564715713 has 32 divisors (see below), whose sum is σ = 178810777600. Its totient is φ = 79407345600.

The previous prime is 126564715657. The next prime is 126564715723. The reversal of 126564715713 is 317517465621.

It is not a de Polignac number, because 126564715713 - 26 = 126564715649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126564715723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10217958 + ... + 10230336.

It is an arithmetic number, because the mean of its divisors is an integer number (5587836800).

Almost surely, 2126564715713 is an apocalyptic number.

It is an amenable number.

126564715713 is a deficient number, since it is larger than the sum of its proper divisors (52246061887).

126564715713 is a wasteful number, since it uses less digits than its factorization.

126564715713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13573.

The product of its digits is 1058400, while the sum is 48.

The spelling of 126564715713 in words is "one hundred twenty-six billion, five hundred sixty-four million, seven hundred fifteen thousand, seven hundred thirteen".

Divisors: 1 3 19 57 181 543 991 2973 3439 10317 12379 18829 37137 56487 179371 235201 538113 705603 2240599 3408049 6721797 10224147 12267589 36802767 42571381 127714143 233084191 699252573 2220433609 6661300827 42188238571 126564715713