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12247663141 = 721714703077
BaseRepresentation
bin10110110100000010…
…01000001000100101
31011121120010202022101
423122001020020211
5200040400210031
65343153532101
7612336263500
oct133201101045
934546122271
1012247663141
11521553965a
122459874031
13120256966c
1484288a137
154ba392361
hex2da048225

12247663141 has 12 divisors (see below), whose sum is σ = 15085358028. Its totient is φ = 9880467072.

The previous prime is 12247663097. The next prime is 12247663147. The reversal of 12247663141 is 14136674221.

It can be written as a sum of positive squares in 2 ways, for example, as 6267888900 + 5979774241 = 79170^2 + 77329^2 .

It is not a de Polignac number, because 12247663141 - 27 = 12247663013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12247663141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12247663147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7350706 + ... + 7352371.

It is an arithmetic number, because the mean of its divisors is an integer number (1257113169).

Almost surely, 212247663141 is an apocalyptic number.

It is an amenable number.

12247663141 is a deficient number, since it is larger than the sum of its proper divisors (2837694887).

12247663141 is a wasteful number, since it uses less digits than its factorization.

12247663141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14703108 (or 14703101 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The spelling of 12247663141 in words is "twelve billion, two hundred forty-seven million, six hundred sixty-three thousand, one hundred forty-one".

Divisors: 1 7 17 49 119 833 14703077 102921539 249952309 720450773 1749666163 12247663141