Base | Representation |
---|---|
bin | 1110100101001110… |
… | …00011010100110000 |
3 | 202012120112221020100 |
4 | 13102213003110300 |
5 | 112013033414023 |
6 | 3332450112400 |
7 | 364665320412 |
oct | 72247032460 |
9 | 22176487210 |
10 | 7828419888 |
11 | 3357a36803 |
12 | 162587b700 |
13 | 979b29823 |
14 | 5439a29b2 |
15 | 30c406c43 |
hex | 1d29c3530 |
7828419888 has 30 divisors (see below), whose sum is σ = 21908703284. Its totient is φ = 2609473248.
The previous prime is 7828419883. The next prime is 7828419923. The reversal of 7828419888 is 8889148287.
It is a super-2 number, since 2×78284198882 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (7828419883) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27181870 + ... + 27182157.
Almost surely, 27828419888 is an apocalyptic number.
It is an amenable number.
7828419888 is an abundant number, since it is smaller than the sum of its proper divisors (14080283396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7828419888 is a wasteful number, since it uses less digits than its factorization.
7828419888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54364041 (or 54364032 counting only the distinct ones).
The product of its digits is 16515072, while the sum is 63.
The square root of 7828419888 is about 88478.3583030336. The cubic root of 7828419888 is about 1985.5982003419.
It can be divided in two parts, 7828 and 419888, that added together give a square (427716 = 6542).
The spelling of 7828419888 in words is "seven billion, eight hundred twenty-eight million, four hundred nineteen thousand, eight hundred eighty-eight".
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