Base | Representation |
---|---|
bin | 1110110111111010… |
… | …10100101101110010 |
3 | 202121111122220010210 |
4 | 13123331110231302 |
5 | 112323211100414 |
6 | 3400211404550 |
7 | 401611350450 |
oct | 73375245562 |
9 | 22544586123 |
10 | 7985253234 |
11 | 3428515a42 |
12 | 166a2b3756 |
13 | 9a347bb1a |
14 | 55a7499d0 |
15 | 31b085e59 |
hex | 1dbf54b72 |
7985253234 has 128 divisors (see below), whose sum is σ = 20318699520. Its totient is φ = 2040422400.
The previous prime is 7985253191. The next prime is 7985253259. The reversal of 7985253234 is 4323525897.
It is a super-2 number, since 2×79852532342 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1010322 + ... + 1018194.
It is an arithmetic number, because the mean of its divisors is an integer number (158739840).
Almost surely, 27985253234 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7985253234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10159349760).
7985253234 is an abundant number, since it is smaller than the sum of its proper divisors (12333446286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7985253234 is a wasteful number, since it uses less digits than its factorization.
7985253234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7976.
The product of its digits is 1814400, while the sum is 48.
The square root of 7985253234 is about 89360.2441469359. The cubic root of 7985253234 is about 1998.7703469650.
The spelling of 7985253234 in words is "seven billion, nine hundred eighty-five million, two hundred fifty-three thousand, two hundred thirty-four".
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