Base | Representation |
---|---|
bin | 1011101000011111100010… |
… | …1100011000101110111101 |
3 | 1200021201222022012000201101 |
4 | 2322013320230120232331 |
5 | 3134024003221303110 |
6 | 43111440024013101 |
7 | 2460032211256504 |
oct | 272077054305675 |
9 | 50251868160641 |
10 | 12790290025405 |
11 | 4091371305a02 |
12 | 1526a16301191 |
13 | 71a171a96759 |
14 | 3230a651983b |
15 | 172a88a4313a |
hex | ba1f8b18bbd |
12790290025405 has 8 divisors (see below), whose sum is σ = 15500311872984. Its totient is φ = 10130922792000.
The previous prime is 12790290025399. The next prime is 12790290025439. The reversal of 12790290025405 is 50452009209721.
It can be written as a sum of positive squares in 4 ways, for example, as 704641046041 + 12085648979364 = 839429^2 + 3476442^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12790290025405 - 227 = 12790155807677 is a prime.
It is a super-3 number, since 3×127902900254053 (a number of 40 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12663652986 + ... + 12663653995.
It is an arithmetic number, because the mean of its divisors is an integer number (1937538984123).
Almost surely, 212790290025405 is an apocalyptic number.
It is an amenable number.
12790290025405 is a deficient number, since it is larger than the sum of its proper divisors (2710021847579).
12790290025405 is a wasteful number, since it uses less digits than its factorization.
12790290025405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25327307087.
The product of its (nonzero) digits is 453600, while the sum is 46.
The spelling of 12790290025405 in words is "twelve trillion, seven hundred ninety billion, two hundred ninety million, twenty-five thousand, four hundred five".
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