Base | Representation |
---|---|
bin | 1011101100011011010111… |
… | …0011011011010101011010 |
3 | 1200112012110021100001202102 |
4 | 2323012311303123111122 |
5 | 3141130423120234310 |
6 | 43202455403403402 |
7 | 2464644301354130 |
oct | 273066563332532 |
9 | 50465407301672 |
10 | 12857887274330 |
11 | 4107aaa18658a |
12 | 1537b40523562 |
13 | 7236554a11b7 |
14 | 326479d97750 |
15 | 1746e32378a5 |
hex | bb1b5cdb55a |
12857887274330 has 32 divisors (see below), whose sum is σ = 26769191831424. Its totient is φ = 4355305016256.
The previous prime is 12857887274329. The next prime is 12857887274339. The reversal of 12857887274330 is 3347278875821.
It is not an unprimeable number, because it can be changed into a prime (12857887274339) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1106524937 + ... + 1106536556.
It is an arithmetic number, because the mean of its divisors is an integer number (836537244732).
Almost surely, 212857887274330 is an apocalyptic number.
12857887274330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12857887274330 is an abundant number, since it is smaller than the sum of its proper divisors (13911304557094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12857887274330 is a wasteful number, since it uses less digits than its factorization.
12857887274330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2213061590.
The product of its (nonzero) digits is 126443520, while the sum is 65.
The spelling of 12857887274330 in words is "twelve trillion, eight hundred fifty-seven billion, eight hundred eighty-seven million, two hundred seventy-four thousand, three hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •