Search a number
-
+
52687105579 = 1513413102233
BaseRepresentation
bin110001000100011001…
…010110111000101011
312000222212002021111201
4301010121112320223
51330400344334304
640112031305031
73543431002543
oct610431267053
9160885067451
1052687105579
1120387552269
12a26497b177
134c78690324
14279b568323
15158572e3a4
hexc44656e2b

52687105579 has 8 divisors (see below), whose sum is σ = 53052085152. Its totient is φ = 52322337600.

The previous prime is 52687105567. The next prime is 52687105607. The reversal of 52687105579 is 97550178625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52687105579 - 215 = 52687072811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52687105529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464247 + ... + 566479.

It is an arithmetic number, because the mean of its divisors is an integer number (6631510644).

Almost surely, 252687105579 is an apocalyptic number.

52687105579 is a deficient number, since it is larger than the sum of its proper divisors (364979573).

52687105579 is a wasteful number, since it uses less digits than its factorization.

52687105579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105797.

The product of its (nonzero) digits is 5292000, while the sum is 55.

The spelling of 52687105579 in words is "fifty-two billion, six hundred eighty-seven million, one hundred five thousand, five hundred seventy-nine".

Divisors: 1 151 3413 102233 515363 15437183 348921229 52687105579