Base | Representation |
---|---|
bin | 1000001011111100010111… |
… | …11100000100101011000110 |
3 | 2100202000202001122121011120 |
4 | 10011332023330010223012 |
5 | 4324423213230441332 |
6 | 102142132051014410 |
7 | 3535433053534446 |
oct | 405761374045306 |
9 | 70660661577146 |
10 | 18002555718342 |
11 | 5810928417278 |
12 | 202902359a406 |
13 | a07831389c50 |
14 | 463484da4126 |
15 | 21344b43d32c |
hex | 105f8bf04ac6 |
18002555718342 has 16 divisors (see below), whose sum is σ = 38774735393520. Its totient is φ = 5539247913312.
The previous prime is 18002555718341. The next prime is 18002555718401. The reversal of 18002555718342 is 24381755520081.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18002555718341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115400998117 + ... + 115400998272.
It is an arithmetic number, because the mean of its divisors is an integer number (2423420962095).
Almost surely, 218002555718342 is an apocalyptic number.
18002555718342 is an abundant number, since it is smaller than the sum of its proper divisors (20772179675178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18002555718342 is a wasteful number, since it uses less digits than its factorization.
18002555718342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230801996407.
The product of its (nonzero) digits is 2688000, while the sum is 51.
The spelling of 18002555718342 in words is "eighteen trillion, two billion, five hundred fifty-five million, seven hundred eighteen thousand, three hundred forty-two".
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