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1025056013 = 3182939887
BaseRepresentation
bin111101000110010…
…001110100001101
32122102211020111112
4331012101310031
54044403243023
6245414301405
734254555332
oct7506216415
92572736445
101025056013
11486687833
12247357865
131344a0a27
149a1d0989
155eed0478
hex3d191d0d

1025056013 has 8 divisors (see below), whose sum is σ = 1059425280. Its totient is φ = 990768240.

The previous prime is 1025056009. The next prime is 1025056049. The reversal of 1025056013 is 3106505201.

1025056013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1025056013 - 22 = 1025056009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025056013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025056913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5756 + ... + 45642.

It is an arithmetic number, because the mean of its divisors is an integer number (132428160).

Almost surely, 21025056013 is an apocalyptic number.

It is an amenable number.

1025056013 is a deficient number, since it is larger than the sum of its proper divisors (34369267).

1025056013 is an equidigital number, since it uses as much as digits as its factorization.

1025056013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40747.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1025056013 is about 32016.4959513061. The cubic root of 1025056013 is about 1008.2832034333.

The spelling of 1025056013 in words is "one billion, twenty-five million, fifty-six thousand, thirteen".

Divisors: 1 31 829 25699 39887 1236497 33066323 1025056013