Base | Representation |
---|---|
bin | 1011010100100110101… |
… | …10110000111010000010 |
3 | 1101012010102101201220221 |
4 | 11222103112300322002 |
5 | 22333202413244012 |
6 | 454414001053254 |
7 | 40051155164110 |
oct | 5522326607202 |
9 | 1335112351827 |
10 | 389019274882 |
11 | 13aa8926a067 |
12 | 6348992722a |
13 | 2a8b8702064 |
14 | 14b85aacab0 |
15 | a1bc8b5507 |
hex | 5a935b0e82 |
389019274882 has 64 divisors (see below), whose sum is σ = 713828597760. Its totient is φ = 155286331200.
The previous prime is 389019274867. The next prime is 389019274913. The reversal of 389019274882 is 288472910983.
It is a super-2 number, since 2×3890192748822 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (61).
It is a self number, because there is not a number n which added to its sum of digits gives 389019274882.
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, 47489407 + ... + 47497597.
It is an arithmetic number, because the mean of its divisors is an integer number (11153571840).
Almost surely, 2389019274882 is an apocalyptic number.
389019274882 is a deficient number, since it is larger than the sum of its proper divisors (324809322878).
389019274882 is a wasteful number, since it uses less digits than its factorization.
389019274882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11207.
The product of its (nonzero) digits is 13934592, while the sum is 61.
The spelling of 389019274882 in words is "three hundred eighty-nine billion, nineteen million, two hundred seventy-four thousand, eight hundred eighty-two".
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