Base | Representation |
---|---|
bin | 11100101101000001011… |
… | …101011111011100011001 |
3 | 20222120100002121120122021 |
4 | 130231001131133130121 |
5 | 224304123442120443 |
6 | 4110052032254441 |
7 | 262336045251655 |
oct | 34550135373431 |
9 | 6876302546567 |
10 | 1972488238873 |
11 | 6a0589208519 |
12 | 27a3463a1421 |
13 | 11400a841389 |
14 | 6b67cab3a65 |
15 | 36497a599ed |
hex | 1cb4175f719 |
1972488238873 has 8 divisors (see below), whose sum is σ = 2080431259200. Its totient is φ = 1864958003568.
The previous prime is 1972488238859. The next prime is 1972488238879. The reversal of 1972488238873 is 3788328842791.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1972488238873 is a prime.
It is a super-3 number, since 3×19724882388733 (a number of 38 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1972488238879) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103186438 + ... + 103205551.
It is an arithmetic number, because the mean of its divisors is an integer number (260053907400).
Almost surely, 21972488238873 is an apocalyptic number.
It is an amenable number.
1972488238873 is a deficient number, since it is larger than the sum of its proper divisors (107943020327).
1972488238873 is a wasteful number, since it uses less digits than its factorization.
1972488238873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 206392511.
The product of its digits is 260112384, while the sum is 70.
The spelling of 1972488238873 in words is "one trillion, nine hundred seventy-two billion, four hundred eighty-eight million, two hundred thirty-eight thousand, eight hundred seventy-three".
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