Search a number
-
+
285025568211 = 3231669507579
BaseRepresentation
bin1000010010111001101…
…10010000010111010011
31000020200220220002001100
410021130312100113103
514132213021140321
6334534451035443
726410125232656
oct4113466202723
91006626802040
10285025568211
11aa97355903a
12472a659bb83
1320b54695597
14db1c49589d
157632c4a326
hex425cd905d3

285025568211 has 6 divisors (see below), whose sum is σ = 411703598540. Its totient is φ = 190017045468.

The previous prime is 285025568209. The next prime is 285025568213. The reversal of 285025568211 is 112865520582.

285025568211 is a `hidden beast` number, since 2 + 8 + 5 + 0 + 2 + 556 + 82 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (285025568209) and next prime (285025568213).

It is not a de Polignac number, because 285025568211 - 21 = 285025568209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285025568213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15834753781 + ... + 15834753798.

Almost surely, 2285025568211 is an apocalyptic number.

285025568211 is a deficient number, since it is larger than the sum of its proper divisors (126678030329).

285025568211 is a wasteful number, since it uses less digits than its factorization.

285025568211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31669507585 (or 31669507582 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The spelling of 285025568211 in words is "two hundred eighty-five billion, twenty-five million, five hundred sixty-eight thousand, two hundred eleven".

Divisors: 1 3 9 31669507579 95008522737 285025568211