Search a number
-
+
2056689250925 = 52665912354343
BaseRepresentation
bin11101111011011100001…
…110110111001001101101
321021121200012200011210012
4131323130032313021231
5232144044422012200
64212455140223005
7301406451121061
oct35733416671155
97247605604705
102056689250925
11723267512091
1229272509aa65
1311bc3911772a
1471789769aa1
1538774c57a35
hex1dedc3b726d

2056689250925 has 12 divisors (see below), whose sum is σ = 2550677862240. Its totient is φ = 1645104180720.

The previous prime is 2056689250921. The next prime is 2056689250937. The reversal of 2056689250925 is 5290529866502.

It is not a de Polignac number, because 2056689250925 - 22 = 2056689250921 is a prime.

It is a super-2 number, since 2×20566892509252 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056689250921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6010697 + ... + 6343646.

It is an arithmetic number, because the mean of its divisors is an integer number (212556488520).

Almost surely, 22056689250925 is an apocalyptic number.

2056689250925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2056689250925 is a deficient number, since it is larger than the sum of its proper divisors (493988611315).

2056689250925 is a wasteful number, since it uses less digits than its factorization.

2056689250925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12361012 (or 12361007 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 59.

The spelling of 2056689250925 in words is "two trillion, fifty-six billion, six hundred eighty-nine million, two hundred fifty thousand, nine hundred twenty-five".

Divisors: 1 5 25 6659 33295 166475 12354343 61771715 308858575 82267570037 411337850185 2056689250925