Search a number
-
+
12140678361 = 373111858931
BaseRepresentation
bin10110100111010010…
…00000110011011001
31011100002211100210010
423103221000303121
5144331003201421
65324412512133
7606600030510
oct132351006331
934302740703
1012140678361
115170107389
122429a7b649
1311b634b866
1483259b677
154b0cad076
hex2d3a40cd9

12140678361 has 16 divisors (see below), whose sum is σ = 18559577088. Its totient is φ = 6915219600.

The previous prime is 12140678357. The next prime is 12140678369. The reversal of 12140678361 is 16387604121.

It is not a de Polignac number, because 12140678361 - 22 = 12140678357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12140678369) 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, 922935 + ... + 935996.

It is an arithmetic number, because the mean of its divisors is an integer number (1159973568).

Almost surely, 212140678361 is an apocalyptic number.

It is an amenable number.

12140678361 is a deficient number, since it is larger than the sum of its proper divisors (6418898727).

12140678361 is a wasteful number, since it uses less digits than its factorization.

12140678361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859252.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 12140678361 in words is "twelve billion, one hundred forty million, six hundred seventy-eight thousand, three hundred sixty-one".

Divisors: 1 3 7 21 311 933 2177 6531 1858931 5576793 13012517 39037551 578127541 1734382623 4046892787 12140678361