Search a number
-
+
51961796732 = 2271182964073
BaseRepresentation
bin110000011001001010…
…100001100001111100
311222010022021202211002
4300121022201201330
51322404204443412
635512041345432
73516442661516
oct603112414174
9158108252732
1051961796732
1120045096a6a
12a0a1a98278
134b9132c2b1
14272d0c2bb6
151541c0cdc2
hexc192a187c

51961796732 has 12 divisors (see below), whose sum is σ = 92213893296. Its totient is φ = 25614970080.

The previous prime is 51961796723. The next prime is 51961796737. The reversal of 51961796732 is 23769716915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51961796737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91481753 + ... + 91482320.

It is an arithmetic number, because the mean of its divisors is an integer number (7684491108).

Almost surely, 251961796732 is an apocalyptic number.

It is an amenable number.

51961796732 is a deficient number, since it is larger than the sum of its proper divisors (40252096564).

51961796732 is a wasteful number, since it uses less digits than its factorization.

51961796732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182964148 (or 182964146 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 56.

The spelling of 51961796732 in words is "fifty-one billion, nine hundred sixty-one million, seven hundred ninety-six thousand, seven hundred thirty-two".

Divisors: 1 2 4 71 142 284 182964073 365928146 731856292 12990449183 25980898366 51961796732