Base | Representation |
---|---|
bin | 110010100001111001000001… |
… | …110100001100011101101101 |
3 | 1002010212002211112112001010000 |
4 | 302201321001310030131231 |
5 | 213112014201304444323 |
6 | 2104351352321534513 |
7 | 64544452555560636 |
oct | 6241710164143555 |
9 | 1063762745461100 |
10 | 222231302031213 |
11 | 6489a847490752 |
12 | 20b11ab94a4439 |
13 | 97004251878b7 |
14 | 3cc40a3b4a88d |
15 | 1aa5b2d442e43 |
hex | ca1e41d0c76d |
222231302031213 has 80 divisors (see below), whose sum is σ = 341409802884480. Its totient is φ = 143954688668544.
The previous prime is 222231302031163. The next prime is 222231302031217. The reversal of 222231302031213 is 312130203132222.
222231302031213 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 31 + 302 + 0 + 312 + 13 = 666.
It is not a de Polignac number, because 222231302031213 - 210 = 222231302030189 is a prime.
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 (222231302031217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7253674731 + ... + 7253705367.
It is an arithmetic number, because the mean of its divisors is an integer number (4267622536056).
Almost surely, 2222231302031213 is an apocalyptic number.
It is an amenable number.
222231302031213 is a deficient number, since it is larger than the sum of its proper divisors (119178500853267).
222231302031213 is a wasteful number, since it uses less digits than its factorization.
222231302031213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33888 (or 33879 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 222231302031213 its reverse (312130203132222), we get a palindrome (534361505163435).
The spelling of 222231302031213 in words is "two hundred twenty-two trillion, two hundred thirty-one billion, three hundred two million, thirty-one thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •