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2505808086 = 2313119716183
BaseRepresentation
bin1001010101011011…
…1001100011010110
320110122010020110220
42111112321203112
520112441324321
61052352055210
7116045005635
oct22526714326
96418106426
102505808086
111076510781
1259b234506
1330c1b3ca2
1419ab2351c
15e9ec69c6
hex955b98d6

2505808086 has 32 divisors (see below), whose sum is σ = 5075820288. Its totient is φ = 824634720.

The previous prime is 2505808079. The next prime is 2505808087. The reversal of 2505808086 is 6808085052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505808087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146751 + ... + 162933.

It is an arithmetic number, because the mean of its divisors is an integer number (158619384).

Almost surely, 22505808086 is an apocalyptic number.

2505808086 is an abundant number, since it is smaller than the sum of its proper divisors (2570012202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2505808086 is a wasteful number, since it uses less digits than its factorization.

2505808086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16516.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 2505808086 is about 50058.0471652660. The cubic root of 2505808086 is about 1358.2590334742.

The spelling of 2505808086 in words is "two billion, five hundred five million, eight hundred eight thousand, eighty-six".

Divisors: 1 2 3 6 131 197 262 393 394 591 786 1182 16183 25807 32366 48549 51614 77421 97098 154842 2119973 3188051 4239946 6359919 6376102 9564153 12719838 19128306 417634681 835269362 1252904043 2505808086