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10238894615 = 52047778923
BaseRepresentation
bin10011000100100100…
…10010001000010111
3222102120021201221002
421202102102020113
5131432124111430
64411555013515
7511505111465
oct114222221027
928376251832
1010238894615
114384653084
121b98b9a29b
13c72342131
146d1b8b835
153edd4b845
hex262492217

10238894615 has 4 divisors (see below), whose sum is σ = 12286673544. Its totient is φ = 8191115688.

The previous prime is 10238894581. The next prime is 10238894639. The reversal of 10238894615 is 51649883201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10238894615 - 220 = 10237846039 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 10238894615.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1023889457 + ... + 1023889466.

It is an arithmetic number, because the mean of its divisors is an integer number (3071668386).

Almost surely, 210238894615 is an apocalyptic number.

10238894615 is a deficient number, since it is larger than the sum of its proper divisors (2047778929).

10238894615 is an equidigital number, since it uses as much as digits as its factorization.

10238894615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047778928.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 10238894615 in words is "ten billion, two hundred thirty-eight million, eight hundred ninety-four thousand, six hundred fifteen".

Divisors: 1 5 2047778923 10238894615