Base | Representation |
---|---|
bin | 1011110010111101010101… |
… | …0000101000010000010100 |
3 | 1200220221001110121001022020 |
4 | 2330233111100220100110 |
5 | 3200000213022012240 |
6 | 43330212512333140 |
7 | 2506025530305345 |
oct | 274572520502024 |
9 | 50827043531266 |
10 | 12970084172820 |
11 | 4150644427a85 |
12 | 1555832b441b0 |
13 | 7310c5b84b28 |
14 | 32ba80c4c0cc |
15 | 1775ad1380d0 |
hex | bcbd5428414 |
12970084172820 has 24 divisors (see below), whose sum is σ = 36316235684064. Its totient is φ = 3458689112736.
The previous prime is 12970084172813. The next prime is 12970084172861. The reversal of 12970084172820 is 2827148007921.
It is a congruent number.
It is an unprimeable number.
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, 108084034714 + ... + 108084034833.
It is an arithmetic number, because the mean of its divisors is an integer number (1513176486836).
Almost surely, 212970084172820 is an apocalyptic number.
12970084172820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12970084172820 is an abundant number, since it is smaller than the sum of its proper divisors (23346151511244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12970084172820 is a wasteful number, since it uses less digits than its factorization.
12970084172820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 216168069559 (or 216168069557 counting only the distinct ones).
The product of its (nonzero) digits is 903168, while the sum is 51.
The spelling of 12970084172820 in words is "twelve trillion, nine hundred seventy billion, eighty-four million, one hundred seventy-two thousand, eight hundred twenty".
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