Base | Representation |
---|---|
bin | 1011000001011111111101… |
… | …1111000110100100100010 |
3 | 1120220200211202101022020000 |
4 | 2300113333133012210202 |
5 | 3042040024101213344 |
6 | 41440010242000430 |
7 | 2360445353240625 |
oct | 260277737064442 |
9 | 46820752338200 |
10 | 12120389085474 |
11 | 395325672a66a |
12 | 1439019946116 |
13 | 69bc42396637 |
14 | 2dc8b6887dbc |
15 | 16042c130a69 |
hex | b05ff7c6922 |
12120389085474 has 40 divisors (see below), whose sum is σ = 27234300582720. Its totient is φ = 4028875832664.
The previous prime is 12120389085443. The next prime is 12120389085499. The reversal of 12120389085474 is 47458098302121.
12120389085474 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 0 + 3 + 8 + 90 + 8 + 547 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 12120389085474.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 104144094 + ... + 104260409.
It is an arithmetic number, because the mean of its divisors is an integer number (680857514568).
Almost surely, 212120389085474 is an apocalyptic number.
12120389085474 is an abundant number, since it is smaller than the sum of its proper divisors (15113911497246).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12120389085474 is a wasteful number, since it uses less digits than its factorization.
12120389085474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 208404876 (or 208404867 counting only the distinct ones).
The product of its (nonzero) digits is 3870720, while the sum is 54.
The spelling of 12120389085474 in words is "twelve trillion, one hundred twenty billion, three hundred eighty-nine million, eighty-five thousand, four hundred seventy-four".
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