Base | Representation |
---|---|
bin | 11111000000110110101… |
… | …000010101100000000110 |
3 | 21112202001102000220002111 |
4 | 133000312220111200012 |
5 | 234404214400303220 |
6 | 4311022531531234 |
7 | 306655424561302 |
oct | 37006650254006 |
9 | 7482042026074 |
10 | 2131220322310 |
11 | 751933347152 |
12 | 2a5065459b1a |
13 | 125c861c73c1 |
14 | 7521a058d02 |
15 | 3a68804315a |
hex | 1f036a15806 |
2131220322310 has 32 divisors (see below), whose sum is σ = 3877168138272. Its totient is φ = 843396364800.
The previous prime is 2131220322277. The next prime is 2131220322317. The reversal of 2131220322310 is 132230221312.
It is a super-2 number, since 2×21312203223102 (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 (2131220322317) 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 15 ways as a sum of consecutive naturals, for example, 496509 + ... + 2123431.
It is an arithmetic number, because the mean of its divisors is an integer number (121161504321).
Almost surely, 22131220322310 is an apocalyptic number.
2131220322310 is a deficient number, since it is larger than the sum of its proper divisors (1745947815962).
2131220322310 is a wasteful number, since it uses less digits than its factorization.
2131220322310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1628328.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 2131220322310 its reverse (132230221312), we get a palindrome (2263450543622).
The spelling of 2131220322310 in words is "two trillion, one hundred thirty-one billion, two hundred twenty million, three hundred twenty-two thousand, three hundred ten".
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