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2870038969 = 72329614701
BaseRepresentation
bin1010101100010001…
…0101000110111001
321102000111002022121
42223010111012321
521334212221334
61152442521241
7131056633360
oct25304250671
97360432277
102870038969
111243075836
12681206221
133697b0715
141d32567d7
1511be71db4
hexab1151b9

2870038969 has 16 divisors (see below), whose sum is σ = 3540683520. Its totient is φ = 2271931200.

The previous prime is 2870038933. The next prime is 2870039017. The reversal of 2870038969 is 9698300782.

It is not a de Polignac number, because 2870038969 - 27 = 2870038841 is a prime.

It is a super-2 number, since 2×28700389692 = 16474247367157165922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2870038069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302682 + ... + 312019.

It is an arithmetic number, because the mean of its divisors is an integer number (221292720).

Almost surely, 22870038969 is an apocalyptic number.

2870038969 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2870038969 is a deficient number, since it is larger than the sum of its proper divisors (670644551).

2870038969 is a wasteful number, since it uses less digits than its factorization.

2870038969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614760.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 2870038969 is about 53572.7446468818. The cubic root of 2870038969 is about 1421.1151342656.

The spelling of 2870038969 in words is "two billion, eight hundred seventy million, thirty-eight thousand, nine hundred sixty-nine".

Divisors: 1 7 23 29 161 203 667 4669 614701 4302907 14138123 17826329 98966861 124784303 410005567 2870038969