Base | Representation |
---|---|
bin | 100000100100110000110… |
… | …101100100010111011000 |
3 | 21220222221201121112001000 |
4 | 200210300311210113120 |
5 | 243133420302411133 |
6 | 4432203530025000 |
7 | 320504023122660 |
oct | 40446065442730 |
9 | 7828851545030 |
10 | 2238497310168 |
11 | 7933834129a9 |
12 | 301a04278160 |
13 | 133121511402 |
14 | 7a4b57391a0 |
15 | 3d36605c413 |
hex | 20930d645d8 |
2238497310168 has 256 divisors, whose sum is σ = 7277838336000. Its totient is φ = 624212030592.
The previous prime is 2238497310167. The next prime is 2238497310173. The reversal of 2238497310168 is 8610137948322.
It is a happy number.
2238497310168 is a `hidden beast` number, since 2 + 2 + 3 + 84 + 97 + 310 + 168 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2238497310167) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25468105 + ... + 25555847.
It is an arithmetic number, because the mean of its divisors is an integer number (28429056000).
Almost surely, 22238497310168 is an apocalyptic number.
2238497310168 is a gapful number since it is divisible by the number (28) 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 2238497310168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3638919168000).
2238497310168 is an abundant number, since it is smaller than the sum of its proper divisors (5039341025832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2238497310168 is a wasteful number, since it uses less digits than its factorization.
2238497310168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88171 (or 88161 counting only the distinct ones).
The product of its (nonzero) digits is 3483648, while the sum is 54.
The spelling of 2238497310168 in words is "two trillion, two hundred thirty-eight billion, four hundred ninety-seven million, three hundred ten thousand, one hundred sixty-eight".
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