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3806872971 = 311317363911
BaseRepresentation
bin1110001011101000…
…0100010110001011
3100211022022011222020
43202322010112023
530244024413341
61425430255523
7163223613006
oct34272042613
910738264866
103806872971
111683976010
128a2ab75a3
13488902875
1428184053d
15174327566
hexe2e8458b

3806872971 has 16 divisors (see below), whose sum is σ = 5554752768. Its totient is φ = 2299911200.

The previous prime is 3806872963. The next prime is 3806873011. The reversal of 3806872971 is 1792786083.

It is a cyclic number.

It is not a de Polignac number, because 3806872971 - 23 = 3806872963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3806872931) 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, 171495 + ... + 192416.

It is an arithmetic number, because the mean of its divisors is an integer number (347172048).

Almost surely, 23806872971 is an apocalyptic number.

3806872971 is a deficient number, since it is larger than the sum of its proper divisors (1747879797).

3806872971 is a wasteful number, since it uses less digits than its factorization.

3806872971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364242.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 3806872971 is about 61699.8620014664. The cubic root of 3806872971 is about 1561.4309917623.

The spelling of 3806872971 in words is "three billion, eight hundred six million, eight hundred seventy-two thousand, nine hundred seventy-one".

Divisors: 1 3 11 33 317 951 3487 10461 363911 1091733 4003021 12009063 115359787 346079361 1268957657 3806872971