Base | Representation |
---|---|
bin | 1000011000101111001010… |
… | …10011000101111111110111 |
3 | 2102022001101120000120200102 |
4 | 10030113211103011333313 |
5 | 4404124001221330440 |
6 | 103120111453504315 |
7 | 3612254314020521 |
oct | 414274523057767 |
9 | 72261346016612 |
10 | 18442141589495 |
11 | 59702a5161568 |
12 | 209a263aa209b |
13 | a3a118030290 |
14 | 47a866732a11 |
15 | 21eac82b8b15 |
hex | 10c5e54c5ff7 |
18442141589495 has 32 divisors (see below), whose sum is σ = 23890151390784. Its totient is φ = 13586115225600.
The previous prime is 18442141589467. The next prime is 18442141589507. The reversal of 18442141589495 is 59498514124481.
It is not a de Polignac number, because 18442141589495 - 238 = 18167263682551 is a prime.
It is a super-4 number, since 4×184421415894954 (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (65).
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 403604600 + ... + 403650290.
It is an arithmetic number, because the mean of its divisors is an integer number (746567230962).
Almost surely, 218442141589495 is an apocalyptic number.
18442141589495 is a deficient number, since it is larger than the sum of its proper divisors (5448009801289).
18442141589495 is a wasteful number, since it uses less digits than its factorization.
18442141589495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60483.
The product of its digits is 66355200, while the sum is 65.
The spelling of 18442141589495 in words is "eighteen trillion, four hundred forty-two billion, one hundred forty-one million, five hundred eighty-nine thousand, four hundred ninety-five".
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