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25305275007 = 325353050891
BaseRepresentation
bin10111100100010011…
…111101101001111111
32102022120100011101200
4113210103331221333
5403311122300012
615343003510543
71554042200655
oct274423755177
972276304350
1025305275007
11a806193721
124aa2828453
13250386030c
141320b30dd5
159d18c43dc
hex5e44fda7f

25305275007 has 12 divisors (see below), whose sum is σ = 37241726184. Its totient is φ = 16551877680.

The previous prime is 25305275003. The next prime is 25305275011. The reversal of 25305275007 is 70057250352.

It is a happy number.

25305275007 is a `hidden beast` number, since 2 + 530 + 52 + 75 + 0 + 0 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (25305275003) and next prime (25305275011).

It is not a de Polignac number, because 25305275007 - 22 = 25305275003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25305275003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26524969 + ... + 26525922.

It is an arithmetic number, because the mean of its divisors is an integer number (3103477182).

Almost surely, 225305275007 is an apocalyptic number.

25305275007 is a deficient number, since it is larger than the sum of its proper divisors (11936451177).

25305275007 is a wasteful number, since it uses less digits than its factorization.

25305275007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53050950 (or 53050947 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The spelling of 25305275007 in words is "twenty-five billion, three hundred five million, two hundred seventy-five thousand, seven".

Divisors: 1 3 9 53 159 477 53050891 159152673 477458019 2811697223 8435091669 25305275007