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23161858206 = 233860309701
BaseRepresentation
bin10101100100100011…
…011110100010011110
32012210012010022022020
4111210203132202132
5334413413430311
614350155001010
71446654355254
oct254443364236
965705108266
1023161858206
1199062a0983
1245a4a39166
132251780656
14119a1c25d4
15908632c06
hex5648de89e

23161858206 has 8 divisors (see below), whose sum is σ = 46323716424. Its totient is φ = 7720619400.

The previous prime is 23161858201. The next prime is 23161858231. The reversal of 23161858206 is 60285816132.

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

23161858206 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23161858201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1930154845 + ... + 1930154856.

It is an arithmetic number, because the mean of its divisors is an integer number (5790464553).

Almost surely, 223161858206 is an apocalyptic number.

23161858206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23161858206 is a wasteful number, since it uses less digits than its factorization.

23161858206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860309706.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 23161858206 in words is "twenty-three billion, one hundred sixty-one million, eight hundred fifty-eight thousand, two hundred six".

Divisors: 1 2 3 6 3860309701 7720619402 11580929103 23161858206