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12702945897458 = 210496054788321
BaseRepresentation
bin1011100011011010001010…
…0100111110101111110010
31122222101112010210121010122
42320312202210332233302
53131111113122204313
643003353000130242
72450520561366245
oct270664244765762
948871463717118
1012702945897458
11405831a8808a3
121511abaa66982
13711b6227a4cb
1431cb7c24525c
15170675931708
hexb8da293ebf2

12702945897458 has 8 divisors (see below), whose sum is σ = 19072583214300. Its totient is φ = 6345418159360.

The previous prime is 12702945897457. The next prime is 12702945897487. The reversal of 12702945897458 is 85479854920721.

It can be written as a sum of positive squares in 2 ways, for example, as 10188206458609 + 2514739438849 = 3191897^2 + 1585793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×127029458974582 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12702945897391 and 12702945897400.

It is not an unprimeable number, because it can be changed into a prime (12702945897457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3027392063 + ... + 3027396258.

Almost surely, 212702945897458 is an apocalyptic number.

12702945897458 is a deficient number, since it is larger than the sum of its proper divisors (6369637316842).

12702945897458 is a wasteful number, since it uses less digits than its factorization.

12702945897458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054789372.

The product of its (nonzero) digits is 406425600, while the sum is 71.

The spelling of 12702945897458 in words is "twelve trillion, seven hundred two billion, nine hundred forty-five million, eight hundred ninety-seven thousand, four hundred fifty-eight".

Divisors: 1 2 1049 2098 6054788321 12109576642 6351472948729 12702945897458