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1825089145 = 511171951967
BaseRepresentation
bin110110011001000…
…1010011001111001
311201012020010122021
41230302022121321
512214210323040
6501033554441
763141000415
oct15462123171
94635203567
101825089145
11857240540
1242b275a21
13231165a09
14134567d45
15aa36224a
hex6cc8a679

1825089145 has 16 divisors (see below), whose sum is σ = 2529750528. Its totient is φ = 1249258240.

The previous prime is 1825089139. The next prime is 1825089157. The reversal of 1825089145 is 5419805281.

It is not a de Polignac number, because 1825089145 - 217 = 1824958073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975049 + ... + 976918.

It is an arithmetic number, because the mean of its divisors is an integer number (158109408).

Almost surely, 21825089145 is an apocalyptic number.

It is an amenable number.

1825089145 is a deficient number, since it is larger than the sum of its proper divisors (704661383).

1825089145 is a wasteful number, since it uses less digits than its factorization.

1825089145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952000.

The product of its (nonzero) digits is 115200, while the sum is 43.

The square root of 1825089145 is about 42721.0620771535. The cubic root of 1825089145 is about 1222.0660916892.

The spelling of 1825089145 in words is "one billion, eight hundred twenty-five million, eighty-nine thousand, one hundred forty-five".

Divisors: 1 5 11 17 55 85 187 935 1951967 9759835 21471637 33183439 107358185 165917195 365017829 1825089145