Search a number
-
+
255280550057 = 1325147780887
BaseRepresentation
bin1110110110111111101…
…0000001000010101001
3220101220221101121000022
43231233322001002221
513140303310100212
6313135124050225
724305042605301
oct3555772010251
9811827347008
10255280550057
119929a240705
1241584b33975
131b0c4098620
14c4d9c62601
1569916db772
hex3b6fe810a9

255280550057 has 8 divisors (see below), whose sum is σ = 274928799936. Its totient is φ = 235633912272.

The previous prime is 255280550053. The next prime is 255280550069. The reversal of 255280550057 is 750055082552.

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 255280550057 - 22 = 255280550053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255280550053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63533 + ... + 717354.

It is an arithmetic number, because the mean of its divisors is an integer number (34366099992).

Almost surely, 2255280550057 is an apocalyptic number.

It is an amenable number.

255280550057 is a deficient number, since it is larger than the sum of its proper divisors (19648249879).

255280550057 is a wasteful number, since it uses less digits than its factorization.

255280550057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806047.

The product of its (nonzero) digits is 700000, while the sum is 44.

The spelling of 255280550057 in words is "two hundred fifty-five billion, two hundred eighty million, five hundred fifty thousand, fifty-seven".

Divisors: 1 13 25147 326911 780887 10151531 19636965389 255280550057