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3215850085 = 5791881431
BaseRepresentation
bin1011111110101101…
…1111101001100101
322022010012002222201
42333223133221211
523041224200320
61251034454501
7142456163140
oct27753375145
98263162881
103215850085
111400299848
12758b94431
133c332b096
14227153057
1513c4ce70a
hexbfadfa65

3215850085 has 8 divisors (see below), whose sum is σ = 4410308736. Its totient is φ = 2205154320.

The previous prime is 3215850061. The next prime is 3215850137. The reversal of 3215850085 is 5800585123.

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

It is not a de Polignac number, because 3215850085 - 225 = 3182295653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45940681 + ... + 45940750.

It is an arithmetic number, because the mean of its divisors is an integer number (551288592).

Almost surely, 23215850085 is an apocalyptic number.

3215850085 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3215850085 is a deficient number, since it is larger than the sum of its proper divisors (1194458651).

3215850085 is an equidigital number, since it uses as much as digits as its factorization.

3215850085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91881443.

The product of its (nonzero) digits is 48000, while the sum is 37.

The square root of 3215850085 is about 56708.4657260272. The cubic root of 3215850085 is about 1476.0416023029.

The spelling of 3215850085 in words is "three billion, two hundred fifteen million, eight hundred fifty thousand, eighty-five".

Divisors: 1 5 7 35 91881431 459407155 643170017 3215850085