Base | Representation |
---|---|
bin | 111101001001111… |
… | …010100001011100 |
3 | 2122111121200000000 |
4 | 331021322201130 |
5 | 4100124243210 |
6 | 245450534300 |
7 | 34265635260 |
oct | 7511724134 |
9 | 2574550000 |
10 | 1026009180 |
11 | 487178979 |
12 | 247737390 |
13 | 134745831 |
14 | 9a39c0a0 |
15 | 6011cac0 |
hex | 3d27a85c |
1026009180 has 216 divisors, whose sum is σ = 3696751968. Its totient is φ = 234306432.
The previous prime is 1026009169. The next prime is 1026009181. The reversal of 1026009180 is 819006201.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1026009181) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 917982 + ... + 919098.
Almost surely, 21026009180 is an apocalyptic number.
1026009180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1026009180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1848375984).
1026009180 is an abundant number, since it is smaller than the sum of its proper divisors (2670742788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1026009180 is an equidigital number, since it uses as much as digits as its factorization.
1026009180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1157 (or 1134 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 27.
The square root of 1026009180 is about 32031.3780534026. The cubic root of 1026009180 is about 1008.5956301140.
The spelling of 1026009180 in words is "one billion, twenty-six million, nine thousand, one hundred eighty".
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