Base | Representation |
---|---|
bin | 1110100100110101… |
… | …10100111000000110 |
3 | 202012100112002221010 |
4 | 13102122310320012 |
5 | 112011223334412 |
6 | 3332253303050 |
7 | 364626141564 |
oct | 72232647006 |
9 | 22170462833 |
10 | 7825214982 |
11 | 3356147922 |
12 | 1624794a86 |
13 | 979276b30 |
14 | 5433aaa34 |
15 | 30bec233c |
hex | 1d26b4e06 |
7825214982 has 64 divisors (see below), whose sum is σ = 17402241024. Its totient is φ = 2330415360.
The previous prime is 7825214953. The next prime is 7825215007. The reversal of 7825214982 is 2894125287.
It is a super-2 number, since 2×78252149822 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396513 + ... + 415779.
It is an arithmetic number, because the mean of its divisors is an integer number (271910016).
Almost surely, 27825214982 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7825214982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8701120512).
7825214982 is an abundant number, since it is smaller than the sum of its proper divisors (9577026042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7825214982 is a wasteful number, since it uses less digits than its factorization.
7825214982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19453.
The product of its digits is 645120, while the sum is 48.
The square root of 7825214982 is about 88460.2452065333. The cubic root of 7825214982 is about 1985.3271995402.
The spelling of 7825214982 in words is "seven billion, eight hundred twenty-five million, two hundred fourteen thousand, nine hundred eighty-two".
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