Search a number
-
+
250545661025 = 5211911075131
BaseRepresentation
bin1110100101010110101…
…1110110010001100001
3212221200221212022022212
43221111223312101201
513101104142123100
6311033223011505
724046516660142
oct3512553662141
9787627768285
10250545661025
119728a548480
1240683299b95
131a81b14043a
14c1ab091ac9
1567b5ba1635
hex3a55af6461

250545661025 has 12 divisors (see below), whose sum is σ = 338919949104. Its totient is φ = 182215026000.

The previous prime is 250545661013. The next prime is 250545661057. The reversal of 250545661025 is 520166545052.

It is not a de Polignac number, because 250545661025 - 212 = 250545656929 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455537291 + ... + 455537840.

It is an arithmetic number, because the mean of its divisors is an integer number (28243329092).

Almost surely, 2250545661025 is an apocalyptic number.

250545661025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250545661025 is a deficient number, since it is larger than the sum of its proper divisors (88374288079).

250545661025 is a wasteful number, since it uses less digits than its factorization.

250545661025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911075152 (or 911075147 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 250545661025 in words is "two hundred fifty billion, five hundred forty-five million, six hundred sixty-one thousand, twenty-five".

Divisors: 1 5 11 25 55 275 911075131 4555375655 10021826441 22776878275 50109132205 250545661025