Search a number
-
+
51932843762 = 21611412
BaseRepresentation
bin110000010111011100…
…000100111011110010
311222001021210210210212
4300113130010323302
51322324302000022
635505125024122
73515641613522
oct602734047362
9158037723725
1051932843762
112002a811198
12a094255042
134b88332a67
142729307682
15153e3de3e2
hexc17704ef2

51932843762 has 6 divisors (see below), whose sum is σ = 77899749069. Its totient is φ = 25966260740.

The previous prime is 51932843749. The next prime is 51932843791. The reversal of 51932843762 is 26734823915.

51932843762 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42717035761 + 9215808001 = 206681^2 + 95999^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=161141.

It is a super-2 number, since 2×519328437622 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51932843762.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 241712 + ... + 402852.

Almost surely, 251932843762 is an apocalyptic number.

51932843762 is a deficient number, since it is larger than the sum of its proper divisors (25966905307).

51932843762 is an frugal number, since it uses more digits than its factorization.

51932843762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322284 (or 161143 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 50.

Multiplying 51932843762 by its sum of digits (50), we get a square (2596642188100 = 16114102).

The spelling of 51932843762 in words is "fifty-one billion, nine hundred thirty-two million, eight hundred forty-three thousand, seven hundred sixty-two".

Divisors: 1 2 161141 322282 25966421881 51932843762