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10020423425 = 523323120619
BaseRepresentation
bin10010101010100001…
…11000011100000001
3221212100012020210112
421111100320130001
5131010212022200
64334152241105
7503213123315
oct112520703401
927770166715
1010020423425
1142822a4481
121b379a0195
13c38cbb53c
146b0b5bb45
153d9a94535
hex255438701

10020423425 has 12 divisors (see below), whose sum is σ = 12429167280. Its totient is φ = 8013859920.

The previous prime is 10020423379. The next prime is 10020423431. The reversal of 10020423425 is 52432402001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-10020423425 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10020423425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22766 + ... + 143384.

It is an arithmetic number, because the mean of its divisors is an integer number (1035763940).

Almost surely, 210020423425 is an apocalyptic number.

It is an amenable number.

10020423425 is a deficient number, since it is larger than the sum of its proper divisors (2408743855).

10020423425 is a wasteful number, since it uses less digits than its factorization.

10020423425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123952 (or 123947 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 10020423425 its reverse (52432402001), we get a palindrome (62452825426).

The spelling of 10020423425 in words is "ten billion, twenty million, four hundred twenty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 3323 16615 83075 120619 603095 3015475 400816937 2004084685 10020423425