Search a number
-
+
126390127775 = 5216093142079
BaseRepresentation
bin111010110110101110…
…0000100110010011111
3110002020100022201212112
41311231130010302133
54032321333042100
6134021323024235
712063031234352
oct1655534046237
9402210281775
10126390127775
1149668a2875a
12205b396b07b
13bbc3049072
14618dcaa299
15344aea1b35
hex1d6d704c9f

126390127775 has 12 divisors (see below), whose sum is σ = 156821212800. Its totient is φ = 101049228480.

The previous prime is 126390127711. The next prime is 126390127789. The reversal of 126390127775 is 577721093621.

It is not a de Polignac number, because 126390127775 - 26 = 126390127711 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1530815 + ... + 1611264.

It is an arithmetic number, because the mean of its divisors is an integer number (13068434400).

Almost surely, 2126390127775 is an apocalyptic number.

126390127775 is a deficient number, since it is larger than the sum of its proper divisors (30431085025).

126390127775 is a wasteful number, since it uses less digits than its factorization.

126390127775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143698 (or 3143693 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 50.

The spelling of 126390127775 in words is "one hundred twenty-six billion, three hundred ninety million, one hundred twenty-seven thousand, seven hundred seventy-five".

Divisors: 1 5 25 1609 8045 40225 3142079 15710395 78551975 5055605111 25278025555 126390127775