Search a number
-
+
126657205716 = 22343307799543
BaseRepresentation
bin111010111110101011…
…0111001010111010100
3110002220221212200221010
41311331112321113110
54033343221040331
6134104023252220
712102453325266
oct1657526712724
9402827780833
10126657205716
1149795766328
12206692aa070
13bc3648ab52
1461b754db36
15346465ae46
hex1d7d5b95d4

126657205716 has 48 divisors (see below), whose sum is σ = 303391768064. Its totient is φ = 41102855136.

The previous prime is 126657205711. The next prime is 126657205771. The reversal of 126657205716 is 617502756621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126657205711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241360 + ... + 558183.

Almost surely, 2126657205716 is an apocalyptic number.

It is an amenable number.

126657205716 is an abundant number, since it is smaller than the sum of its proper divisors (176734562348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126657205716 is a wasteful number, since it uses less digits than its factorization.

126657205716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799900 (or 799898 counting only the distinct ones).

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

The spelling of 126657205716 in words is "one hundred twenty-six billion, six hundred fifty-seven million, two hundred five thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 307 516 614 921 1228 1842 3684 13201 26402 39603 52804 79206 158412 799543 1599086 2398629 3198172 4797258 9594516 34380349 68760698 103141047 137521396 206282094 245459701 412564188 490919402 736379103 981838804 1472758206 2945516412 10554767143 21109534286 31664301429 42219068572 63328602858 126657205716