Base | Representation |
---|---|
bin | 11111000000110110101… |
… | …111111111101011111110 |
3 | 21112202001112210220021110 |
4 | 133000312233333223332 |
5 | 234404220404030420 |
6 | 4311023042542450 |
7 | 306655450623036 |
oct | 37006657775376 |
9 | 7482045726243 |
10 | 2131222330110 |
11 | 751934498695 |
12 | 2a5066067a26 |
13 | 125c8674b253 |
14 | 7521a41c8c6 |
15 | 3a6882dcee0 |
hex | 1f036bffafe |
2131222330110 has 32 divisors (see below), whose sum is σ = 5133399076512. Its totient is φ = 566274234240.
The previous prime is 2131222330091. The next prime is 2131222330117. The reversal of 2131222330110 is 110332221312.
It is a super-2 number, since 2×21312223301102 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131222330117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128224081 + ... + 128240700.
It is an arithmetic number, because the mean of its divisors is an integer number (160418721141).
Almost surely, 22131222330110 is an apocalyptic number.
2131222330110 is an abundant number, since it is smaller than the sum of its proper divisors (3002176746402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131222330110 is a wasteful number, since it uses less digits than its factorization.
2131222330110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 256465068.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 2131222330110 its reverse (110332221312), we get a palindrome (2241554551422).
The spelling of 2131222330110 in words is "two trillion, one hundred thirty-one billion, two hundred twenty-two million, three hundred thirty thousand, one hundred ten".
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