Search a number
-
+
2706672861 = 33821912197
BaseRepresentation
bin1010000101010100…
…1000110011011101
320222122002020011000
42201111020303131
521020402012421
61124325220513
7124034224344
oct24125106335
96878066130
102706672861
111169934422
12636561739
133419b1a99
141b968cb5b
1510c952226
hexa1548cdd

2706672861 has 16 divisors (see below), whose sum is σ = 4010702400. Its totient is φ = 1804081104.

The previous prime is 2706672823. The next prime is 2706672887. The reversal of 2706672861 is 1682766072.

It is not a de Polignac number, because 2706672861 - 29 = 2706672349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2706672811) 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, 215815 + ... + 228011.

It is an arithmetic number, because the mean of its divisors is an integer number (250668900).

Almost surely, 22706672861 is an apocalyptic number.

It is an amenable number.

2706672861 is a deficient number, since it is larger than the sum of its proper divisors (1304029539).

2706672861 is a wasteful number, since it uses less digits than its factorization.

2706672861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20425 (or 20419 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 2706672861 is about 52025.6942385203. The cubic root of 2706672861 is about 1393.6228425461.

The spelling of 2706672861 in words is "two billion, seven hundred six million, six hundred seventy-two thousand, eight hundred sixty-one".

Divisors: 1 3 9 27 8219 12197 24657 36591 73971 109773 221913 329319 100247143 300741429 902224287 2706672861