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23425746831 = 34881328271
BaseRepresentation
bin10101110100010010…
…001000011110001111
32020110120200020110000
4111310102020132033
5340433442344311
614432303015343
71456340363664
oct256422103617
966416606400
1023425746831
119a31250353
12465929a553
132294346876
1411c3275a6b
159218ac056
hex57448878f

23425746831 has 20 divisors (see below), whose sum is σ = 35033844384. Its totient is φ = 15599390400.

The previous prime is 23425746823. The next prime is 23425746889. The reversal of 23425746831 is 13864752432.

23425746831 is a `hidden beast` number, since 2 + 3 + 42 + 574 + 6 + 8 + 31 = 666.

It is not a de Polignac number, because 23425746831 - 23 = 23425746823 is a prime.

It is a super-2 number, since 2×234257468312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23425746821) 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 19 ways as a sum of consecutive naturals, for example, 92775 + ... + 235496.

Almost surely, 223425746831 is an apocalyptic number.

23425746831 is a deficient number, since it is larger than the sum of its proper divisors (11608097553).

23425746831 is an equidigital number, since it uses as much as digits as its factorization.

23425746831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329164 (or 329155 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 23425746831 in words is "twenty-three billion, four hundred twenty-five million, seven hundred forty-six thousand, eight hundred thirty-one".

Divisors: 1 3 9 27 81 881 2643 7929 23787 71361 328271 984813 2954439 8863317 26589951 289206751 867620253 2602860759 7808582277 23425746831