Base | Representation |
---|---|
bin | 1000001110011101011110… |
… | …11101011000110011000111 |
3 | 2101001022000001210011120010 |
4 | 10013032233131120303013 |
5 | 4332332334024000012 |
6 | 102245554553041303 |
7 | 3544614355360341 |
oct | 407165735306307 |
9 | 71038001704503 |
10 | 18089051000007 |
11 | 5844583788629 |
12 | 20419426b6233 |
13 | a12a370800a0 |
14 | 46772c636291 |
15 | 21580ec79c3c |
hex | 1073af758cc7 |
18089051000007 has 128 divisors (see below), whose sum is σ = 26956028968960. Its totient is φ = 10721923914240.
The previous prime is 18089050999997. The next prime is 18089051000017. The reversal of 18089051000007 is 70000015098081.
It is an interprime number because it is at equal distance from previous prime (18089050999997) and next prime (18089051000017).
It is not a de Polignac number, because 18089051000007 - 232 = 18084756032711 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is the 4253123-rd Hogben number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18089051000017) by changing a digit.
It is a nontrivial repunit in base 4253122.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7827368382 + ... + 7827370692.
It is an arithmetic number, because the mean of its divisors is an integer number (210593976320).
Almost surely, 218089051000007 is an apocalyptic number.
18089051000007 is a deficient number, since it is larger than the sum of its proper divisors (8866977968953).
18089051000007 is a wasteful number, since it uses less digits than its factorization.
18089051000007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2853.
The product of its (nonzero) digits is 20160, while the sum is 39.
Adding to 18089051000007 its reverse (70000015098081), we get a palindrome (88089066098088).
The spelling of 18089051000007 in words is "eighteen trillion, eighty-nine billion, fifty-one million, seven", and thus it is an aban number and an uban number.
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