Base | Representation |
---|---|
bin | 11000000101111100… |
… | …01100111110110101 |
3 | 1020101110001000022212 |
4 | 30002332030332311 |
5 | 202442244344141 |
6 | 5535300503205 |
7 | 635351444420 |
oct | 140276147665 |
9 | 36343030285 |
10 | 12934762421 |
11 | 55383774a9 |
12 | 260b9aab05 |
13 | 12b1a0ca99 |
14 | 8a9c269b7 |
15 | 50a8672eb |
hex | 302f8cfb5 |
12934762421 has 8 divisors (see below), whose sum is σ = 14898984960. Its totient is φ = 10999639728.
The previous prime is 12934762403. The next prime is 12934762429. The reversal of 12934762421 is 12426743921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12934762421 - 210 = 12934761397 is a prime.
It is a super-3 number, since 3×129347624213 (a number of 31 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12934762429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7274006 + ... + 7275783.
It is an arithmetic number, because the mean of its divisors is an integer number (1862373120).
Almost surely, 212934762421 is an apocalyptic number.
It is an amenable number.
12934762421 is a deficient number, since it is larger than the sum of its proper divisors (1964222539).
12934762421 is a wasteful number, since it uses less digits than its factorization.
12934762421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14549923.
The product of its digits is 145152, while the sum is 41.
The spelling of 12934762421 in words is "twelve billion, nine hundred thirty-four million, seven hundred sixty-two thousand, four hundred twenty-one".
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