Search a number
-
+
12702045345 = 351176982093
BaseRepresentation
bin10111101010001100…
…11101010010100001
31012210020010202111220
423311012131102201
5202003210422340
65500224525253
7626524414113
oct136506352241
935706122456
1012702045345
115428a78740
122565a80829
13127573bb82
14886d693b3
154e51e8ed0
hex2f519d4a1

12702045345 has 16 divisors (see below), whose sum is σ = 22170843072. Its totient is φ = 6158567360.

The previous prime is 12702045341. The next prime is 12702045347. The reversal of 12702045345 is 54354020721.

12702045345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12702045345 - 22 = 12702045341 is a prime.

It is a super-2 number, since 2×127020453452 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12702045341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38490882 + ... + 38491211.

It is an arithmetic number, because the mean of its divisors is an integer number (1385677692).

Almost surely, 212702045345 is an apocalyptic number.

12702045345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12702045345 is a deficient number, since it is larger than the sum of its proper divisors (9468797727).

12702045345 is a wasteful number, since it uses less digits than its factorization.

12702045345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76982112.

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 12702045345 in words is "twelve billion, seven hundred two million, forty-five thousand, three hundred forty-five".

Divisors: 1 3 5 11 15 33 55 165 76982093 230946279 384910465 846803023 1154731395 2540409069 4234015115 12702045345