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2575505897 = 41167509739
BaseRepresentation
bin1001100110000011…
…0001100111101001
320122111021020220022
42121200301213221
520233312142042
61103322010225
7120552303356
oct23140614751
96574236808
102575505897
111101895778
125ba646975
133207780b3
141a60a762d
15101192cd2
hex998319e9

2575505897 has 16 divisors (see below), whose sum is σ = 2662934400. Its totient is φ = 2489362560.

The previous prime is 2575505893. The next prime is 2575505923. The reversal of 2575505897 is 7985055752.

It is not a de Polignac number, because 2575505897 - 22 = 2575505893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2575505893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3484754 + ... + 3485492.

It is an arithmetic number, because the mean of its divisors is an integer number (166433400).

Almost surely, 22575505897 is an apocalyptic number.

It is an amenable number.

2575505897 is a deficient number, since it is larger than the sum of its proper divisors (87428503).

2575505897 is a wasteful number, since it uses less digits than its factorization.

2575505897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456.

The product of its (nonzero) digits is 4410000, while the sum is 53.

The square root of 2575505897 is about 50749.4423319114. The cubic root of 2575505897 is about 1370.7371487158.

The spelling of 2575505897 in words is "two billion, five hundred seventy-five million, five hundred five thousand, eight hundred ninety-seven".

Divisors: 1 41 167 509 739 6847 20869 30299 85003 123413 376151 3485123 5059933 15422191 62817217 2575505897