Base | Representation |
---|---|
bin | 11000100101111100110… |
… | …110100110001001111100 |
3 | 12222120020011211110020110 |
4 | 120211330312212021330 |
5 | 210142123302143142 |
6 | 3332214421550020 |
7 | 233046123032562 |
oct | 30457466461174 |
9 | 5876204743213 |
10 | 1690016834172 |
11 | 5a1806498317 |
12 | 233653275310 |
13 | c34a2390764 |
14 | 5bb2392ba32 |
15 | 2de6418899c |
hex | 1897cda627c |
1690016834172 has 24 divisors (see below), whose sum is σ = 3943409008000. Its totient is φ = 563333745456.
The previous prime is 1690016834171. The next prime is 1690016834197. The reversal of 1690016834172 is 2714386100961.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1690016834171) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841329 + ... + 2021847.
Almost surely, 21690016834172 is an apocalyptic number.
1690016834172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1690016834172 is an abundant number, since it is smaller than the sum of its proper divisors (2253392173828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1690016834172 is a wasteful number, since it uses less digits than its factorization.
1690016834172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1299825 (or 1299823 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 48.
The spelling of 1690016834172 in words is "one trillion, six hundred ninety billion, sixteen million, eight hundred thirty-four thousand, one hundred seventy-two".
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