Base | Representation |
---|---|
bin | 111001000010010111110… |
… | …0010010101011011010100 |
3 | 1000202102010020211010000020 |
4 | 1302010233202111123110 |
5 | 2011414000342020022 |
6 | 24401123321545140 |
7 | 1436233344523311 |
oct | 162045742253324 |
9 | 30672106733006 |
10 | 7839112845012 |
11 | 2552604921439 |
12 | a673330451b0 |
13 | 44b2c090a677 |
14 | 1d15b4dd3d08 |
15 | d8da768735c |
hex | 7212f8956d4 |
7839112845012 has 48 divisors (see below), whose sum is σ = 18888353964480. Its totient is φ = 2528853965568.
The previous prime is 7839112844929. The next prime is 7839112845043. The reversal of 7839112845012 is 2105482119387.
It is a happy number.
It is a super-2 number, since 2×78391128450122 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69632193 + ... + 69744680.
It is an arithmetic number, because the mean of its divisors is an integer number (393507374260).
Almost surely, 27839112845012 is an apocalyptic number.
It is an amenable number.
7839112845012 is an abundant number, since it is smaller than the sum of its proper divisors (11049241119468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7839112845012 is a wasteful number, since it uses less digits than its factorization.
7839112845012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139377032 (or 139377030 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 51.
The spelling of 7839112845012 in words is "seven trillion, eight hundred thirty-nine billion, one hundred twelve million, eight hundred forty-five thousand, twelve".
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