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2694387131 = 19673210713
BaseRepresentation
bin1010000010011001…
…0001010110111011
320221202222001021222
42200212101112323
521004230342011
61123210022255
7123524625032
oct24046212673
96852861258
102694387131
111162a02a27
1263241798b
1333c29ca17
141b7bb1719
1510b826ddb
hexa09915bb

2694387131 has 8 divisors (see below), whose sum is σ = 2840424720. Its totient is φ = 2548772352.

The previous prime is 2694387109. The next prime is 2694387133. The reversal of 2694387131 is 1317834962.

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 2694387131 - 230 = 1620645307 is a prime.

It is a super-2 number, since 2×26943871312 = 14519444023396822322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2694387133) 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, 92570 + ... + 118143.

It is an arithmetic number, because the mean of its divisors is an integer number (355053090).

Almost surely, 22694387131 is an apocalyptic number.

2694387131 is a deficient number, since it is larger than the sum of its proper divisors (146037589).

2694387131 is a wasteful number, since it uses less digits than its factorization.

2694387131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211405.

The product of its digits is 217728, while the sum is 44.

The square root of 2694387131 is about 51907.4862712499. The cubic root of 2694387131 is about 1391.5110684527.

The spelling of 2694387131 in words is "two billion, six hundred ninety-four million, three hundred eighty-seven thousand, one hundred thirty-one".

Divisors: 1 19 673 12787 210713 4003547 141809849 2694387131