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3898025663 = 7797048871
BaseRepresentation
bin1110100001010111…
…0010011010111111
3101001122211012221212
43220111302122333
530440343310123
61442444115035
7165411446210
oct35025623277
911048735855
103898025663
111720374414
12909535a7b
134a176937c
1428d9ab407
1517c330878
hexe85726bf

3898025663 has 8 divisors (see below), whose sum is σ = 4511278080. Its totient is φ = 3298871160.

The previous prime is 3898025641. The next prime is 3898025701. The reversal of 3898025663 is 3665208983.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3898025663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898025063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3523883 + ... + 3524988.

It is an arithmetic number, because the mean of its divisors is an integer number (563909760).

Almost surely, 23898025663 is an apocalyptic number.

3898025663 is a deficient number, since it is larger than the sum of its proper divisors (613252417).

3898025663 is an equidigital number, since it uses as much as digits as its factorization.

3898025663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7048957.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The square root of 3898025663 is about 62434.1706359586. The cubic root of 3898025663 is about 1573.7952541294.

The spelling of 3898025663 in words is "three billion, eight hundred ninety-eight million, twenty-five thousand, six hundred sixty-three".

Divisors: 1 7 79 553 7048871 49342097 556860809 3898025663