Base | Representation |
---|---|
bin | 100100010110101… |
… | …0100010001110000 |
3 | 10011000100020122111 |
4 | 1020231110101300 |
5 | 4444234322323 |
6 | 321013215104 |
7 | 42141314116 |
oct | 11055242160 |
9 | 3130306574 |
10 | 1219839088 |
11 | 576627186 |
12 | 2a0631494 |
13 | 16594c5a0 |
14 | b8015ab6 |
15 | 72158c0d |
hex | 48b54470 |
1219839088 has 80 divisors (see below), whose sum is σ = 2698882816. Its totient is φ = 530012160.
The previous prime is 1219839077. The next prime is 1219839133. The reversal of 1219839088 is 8809389121.
It is a super-2 number, since 2×12198390882 = 2976014801225343488, which 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 15 ways as a sum of consecutive naturals, for example, 236020 + ... + 241132.
Almost surely, 21219839088 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1219839088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349441408).
1219839088 is an abundant number, since it is smaller than the sum of its proper divisors (1479043728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1219839088 is a wasteful number, since it uses less digits than its factorization.
1219839088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5202 (or 5196 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 49.
The square root of 1219839088 is about 34926.1948686083. The cubic root of 1219839088 is about 1068.4827501446.
The spelling of 1219839088 in words is "one billion, two hundred nineteen million, eight hundred thirty-nine thousand, eighty-eight".
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