Base | Representation |
---|---|
bin | 11110001001110010111… |
… | …011010100000011001000 |
3 | 21100002110101012122212122 |
4 | 132021302323110003020 |
5 | 232422131202403122 |
6 | 4223524413230412 |
7 | 302463425455364 |
oct | 36116273240310 |
9 | 7302411178778 |
10 | 2072102387912 |
11 | 729856862027 |
12 | 295706a92408 |
13 | 12052442472b |
14 | 7240c7b42a4 |
15 | 38d77e78142 |
hex | 1e272ed40c8 |
2072102387912 has 36 divisors (see below), whose sum is σ = 3982584835635. Its totient is φ = 1010700223360.
The previous prime is 2072102387897. The next prime is 2072102387941. The reversal of 2072102387912 is 2197832012702.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 5 ways, for example, as 477597316 + 2071624790596 = 21854^2 + 1439314^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=1017866.
It is a super-2 number, since 2×20721023879122 (a number of 25 digits) contains 22 as substring.
It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 166923818 + ... + 166936230.
Almost surely, 22072102387912 is an apocalyptic number.
It is an amenable number.
2072102387912 is a deficient number, since it is larger than the sum of its proper divisors (1910482447723).
2072102387912 is an frugal number, since it uses more digits than its factorization.
2072102387912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24914 (or 12456 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 44.
The spelling of 2072102387912 in words is "two trillion, seventy-two billion, one hundred two million, three hundred eighty-seven thousand, nine hundred twelve".
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