Base | Representation |
---|---|
bin | 11001111011010011110… |
… | …01101001010111110100 |
3 | 10011011101211010021122222 |
4 | 30331221321221113310 |
5 | 104043412221341440 |
6 | 1521124404341512 |
7 | 121234502064020 |
oct | 14755171512764 |
9 | 3134354107588 |
10 | 890834949620 |
11 | 31388a1178a0 |
12 | 1247969a4898 |
13 | 6600ba6a685 |
14 | 3118c0c9380 |
15 | 1828caeb2b5 |
hex | cf69e695f4 |
890834949620 has 768 divisors, whose sum is σ = 2702730240000. Its totient is φ = 237923205120.
The previous prime is 890834949619. The next prime is 890834949703. The reversal of 890834949620 is 26949438098.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1785240131 + ... + 1785240629.
It is an arithmetic number, because the mean of its divisors is an integer number (3519180000).
Almost surely, 2890834949620 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 890834949620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1351365120000).
890834949620 is an abundant number, since it is smaller than the sum of its proper divisors (1811895290380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
890834949620 is a wasteful number, since it uses less digits than its factorization.
890834949620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 696 (or 694 counting only the distinct ones).
The product of its (nonzero) digits is 26873856, while the sum is 62.
The spelling of 890834949620 in words is "eight hundred ninety billion, eight hundred thirty-four million, nine hundred forty-nine thousand, six hundred twenty".
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