Search a number
-
+
256515752601053 = 11171371741992519
BaseRepresentation
bin111010010100110010111010…
…010100000010010111011101
31020122020122222211211122002122
4322110302322110002113131
5232110223230131213203
62305321413202032325
7105013436323240211
oct7224627224022735
91218218884748078
10256515752601053
11748087a0a9a640
122492a57a6486a5
13b01944090410a
14474b6003b2941
151e9c86b6e2538
hexe94cba5025dd

256515752601053 has 8 divisors (see below), whose sum is σ = 296296270384320. Its totient is φ = 219478718802880.

The previous prime is 256515752601023. The next prime is 256515752601061. The reversal of 256515752601053 is 350106257515652.

256515752601053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 256515752601053 - 214 = 256515752584669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 256515752600986 and 256515752601004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256515752601023) 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, 685870996073 + ... + 685870996446.

It is an arithmetic number, because the mean of its divisors is an integer number (37037033798040).

Almost surely, 2256515752601053 is an apocalyptic number.

It is an amenable number.

256515752601053 is a deficient number, since it is larger than the sum of its proper divisors (39780517783267).

256515752601053 is a wasteful number, since it uses less digits than its factorization.

256515752601053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371741992547.

The product of its (nonzero) digits is 9450000, while the sum is 53.

The spelling of 256515752601053 in words is "two hundred fifty-six trillion, five hundred fifteen billion, seven hundred fifty-two million, six hundred one thousand, fifty-three".

Divisors: 1 11 17 187 1371741992519 15089161917709 23319613872823 256515752601053