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3870684867 = 371601115127
BaseRepresentation
bin1110011010110101…
…1111011011000011
3100222202101011102210
43212231133123003
530411343403432
61440030113203
7164630164350
oct34655373303
910882334383
103870684867
11170699a915
1290034b803
13498bb589a
1428a0d1627
15179c2e8cc
hexe6b5f6c3

3870684867 has 16 divisors (see below), whose sum is σ = 5901921792. Its totient is φ = 2210419200.

The previous prime is 3870684823. The next prime is 3870684877. The reversal of 3870684867 is 7684860783.

3870684867 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3870684867 - 26 = 3870684803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3870684877) 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, 23943 + ... + 91184.

It is an arithmetic number, because the mean of its divisors is an integer number (368870112).

Almost surely, 23870684867 is an apocalyptic number.

3870684867 is a deficient number, since it is larger than the sum of its proper divisors (2031236925).

3870684867 is a wasteful number, since it uses less digits than its factorization.

3870684867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116738.

The product of its (nonzero) digits is 10838016, while the sum is 57.

The square root of 3870684867 is about 62214.8283530542. The cubic root of 3870684867 is about 1570.1070784474.

The spelling of 3870684867 in words is "three billion, eight hundred seventy million, six hundred eighty-four thousand, eight hundred sixty-seven".

Divisors: 1 3 7 21 1601 4803 11207 33621 115127 345381 805889 2417667 184318327 552954981 1290228289 3870684867