Base | Representation |
---|---|
bin | 1010100111110100… |
… | …1011010110000000 |
3 | 21100201101110021202 |
4 | 2221331023112000 |
5 | 21314423334002 |
6 | 1150535040332 |
7 | 130442246624 |
oct | 25175132600 |
9 | 7321343252 |
10 | 2851386752 |
11 | 1233596085 |
12 | 676b100a8 |
13 | 36597c8c6 |
14 | 1d099d184 |
15 | 11a4da502 |
hex | a9f4b580 |
2851386752 has 32 divisors (see below), whose sum is σ = 5736765600. Its totient is φ = 1411571200.
The previous prime is 2851386739. The next prime is 2851386757. The reversal of 2851386752 is 2576831582.
It is a tau number, because it is divible by the number of its divisors (32).
It is a super-2 number, since 2×28513867522 = 16260812818962219008, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2851386697 and 2851386706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2851386757) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97352 + ... + 123207.
It is an arithmetic number, because the mean of its divisors is an integer number (179273925).
Almost surely, 22851386752 is an apocalyptic number.
It is an amenable number.
2851386752 is an abundant number, since it is smaller than the sum of its proper divisors (2885378848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2851386752 is a wasteful number, since it uses less digits than its factorization.
2851386752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220674 (or 220662 counting only the distinct ones).
The product of its digits is 806400, while the sum is 47.
The square root of 2851386752 is about 53398.3778030756. The cubic root of 2851386752 is about 1418.0298592625.
The spelling of 2851386752 in words is "two billion, eight hundred fifty-one million, three hundred eighty-six thousand, seven hundred fifty-two".
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