Base | Representation |
---|---|
bin | 1010000001100100… |
… | …1001001111111010 |
3 | 20221112111020000020 |
4 | 2200121021033322 |
5 | 21002340233132 |
6 | 1123004151310 |
7 | 123453443511 |
oct | 24031111772 |
9 | 6845436006 |
10 | 2690946042 |
11 | 1160a72654 |
12 | 631238536 |
13 | 33b666685 |
14 | 1b7557678 |
15 | 10b39752c |
hex | a06493fa |
2690946042 has 32 divisors (see below), whose sum is σ = 5637316608. Its totient is φ = 854708976.
The previous prime is 2690946029. The next prime is 2690946067. The reversal of 2690946042 is 2406490962.
It is a junction number, because it is equal to n+sod(n) for n = 2690945985 and 2690946003.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778 + ... + 73365.
It is an arithmetic number, because the mean of its divisors is an integer number (176166144).
Almost surely, 22690946042 is an apocalyptic number.
2690946042 is an abundant number, since it is smaller than the sum of its proper divisors (2946370566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2690946042 is a wasteful number, since it uses less digits than its factorization.
2690946042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74434.
The product of its (nonzero) digits is 186624, while the sum is 42.
The square root of 2690946042 is about 51874.3293161463. The cubic root of 2690946042 is about 1390.9184348181.
The spelling of 2690946042 in words is "two billion, six hundred ninety million, nine hundred forty-six thousand, forty-two".
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