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2391725085 = 351327120157
BaseRepresentation
bin1000111010001110…
…1101010000011101
320011200110020000120
42032203231100131
514344240200320
61033154545153
7113161220301
oct21643552035
96150406016
102391725085
111018080502
12568b981b9
132c167c359
14189907d01
15dee8e440
hex8e8ed41d

2391725085 has 16 divisors (see below), whose sum is σ = 3829675776. Its totient is φ = 1274614848.

The previous prime is 2391725057. The next prime is 2391725101. The reversal of 2391725085 is 5805271932.

It is a happy number.

2391725085 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2391725085 - 210 = 2391724061 is a prime.

It is a Curzon number.

It is a congruent 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, 40174 + ... + 79983.

It is an arithmetic number, because the mean of its divisors is an integer number (239354736).

Almost surely, 22391725085 is an apocalyptic number.

It is an amenable number.

2391725085 is a deficient number, since it is larger than the sum of its proper divisors (1437950691).

2391725085 is a wasteful number, since it uses less digits than its factorization.

2391725085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121492.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 2391725085 is about 48905.2664341991. The cubic root of 2391725085 is about 1337.3253780819.

The spelling of 2391725085 in words is "two billion, three hundred ninety-one million, seven hundred twenty-five thousand, eighty-five".

Divisors: 1 3 5 15 1327 3981 6635 19905 120157 360471 600785 1802355 159448339 478345017 797241695 2391725085