Search a number
-
+
52663687424 = 28205717529
BaseRepresentation
bin110001000011000000…
…000001100100000000
312000221020000111211122
4301003000001210000
51330323400444144
640105433331412
73543024646205
oct610300014400
9160836014748
1052663687424
1120375307917
12a258b66b68
134c7388112a
1427983cdcac
1515836557ee
hexc43001900

52663687424 has 18 divisors (see below), whose sum is σ = 105121657830. Its totient is φ = 26331843584.

The previous prime is 52663687381. The next prime is 52663687463. The reversal of 52663687424 is 42478636625.

It can be written as a sum of positive squares in only one way, i.e., 26817337600 + 25846349824 = 163760^2 + 160768^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102858509 + ... + 102859020.

Almost surely, 252663687424 is an apocalyptic number.

It is an amenable number.

52663687424 is a deficient number, since it is larger than the sum of its proper divisors (52457970406).

52663687424 is an equidigital number, since it uses as much as digits as its factorization.

52663687424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205717545 (or 205717531 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 53.

The spelling of 52663687424 in words is "fifty-two billion, six hundred sixty-three million, six hundred eighty-seven thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 128 256 205717529 411435058 822870116 1645740232 3291480464 6582960928 13165921856 26331843712 52663687424