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2870106893 = 79217916673
BaseRepresentation
bin1010101100010010…
…0101101100001101
321102000121112111022
42223010211230031
521334221410033
61152444203525
7131060335403
oct25304455415
97360545438
102870106893
111243111875
126812395a5
13369805604
141d3273473
1511be87098
hexab125b0d

2870106893 has 8 divisors (see below), whose sum is σ = 2907945600. Its totient is φ = 2832306048.

The previous prime is 2870106859. The next prime is 2870106937. The reversal of 2870106893 is 3986010782.

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 2870106893 - 28 = 2870106637 is a prime.

It is a super-2 number, since 2×28701068932 = 16475027154492226898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2870106803) 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, 163805 + ... + 180477.

It is an arithmetic number, because the mean of its divisors is an integer number (363493200).

Almost surely, 22870106893 is an apocalyptic number.

It is an amenable number.

2870106893 is a deficient number, since it is larger than the sum of its proper divisors (37838707).

2870106893 is a wasteful number, since it uses less digits than its factorization.

2870106893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18931.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 2870106893 is about 53573.3785848905. The cubic root of 2870106893 is about 1421.1263451543.

The spelling of 2870106893 in words is "two billion, eight hundred seventy million, one hundred six thousand, eight hundred ninety-three".

Divisors: 1 79 2179 16673 172141 1317167 36330467 2870106893