Base | Representation |
---|---|
bin | 1010011100111100… |
… | …0011100110110111 |
3 | 21020112111110110122 |
4 | 2213033003212313 |
5 | 21221232221012 |
6 | 1142224442155 |
7 | 126346261565 |
oct | 24717034667 |
9 | 7215443418 |
10 | 2805742007 |
11 | 120a84a552 |
12 | 66377935b |
13 | 35938a993 |
14 | 1c88baa35 |
15 | 1164c0e72 |
hex | a73c39b7 |
2805742007 has 8 divisors (see below), whose sum is σ = 2819898480. Its totient is φ = 2791615680.
The previous prime is 2805742001. The next prime is 2805742099. The reversal of 2805742007 is 7002475082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2805742007 - 210 = 2805740983 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2805742001) by changing a digit.
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, 192188 + ... + 206270.
It is an arithmetic number, because the mean of its divisors is an integer number (352487310).
Almost surely, 22805742007 is an apocalyptic number.
2805742007 is a deficient number, since it is larger than the sum of its proper divisors (14156473).
2805742007 is a wasteful number, since it uses less digits than its factorization.
2805742007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15073.
The product of its (nonzero) digits is 31360, while the sum is 35.
The square root of 2805742007 is about 52969.2552996547. The cubic root of 2805742007 is about 1410.4225561495.
The spelling of 2805742007 in words is "two billion, eight hundred five million, seven hundred forty-two thousand, seven".
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