Base | Representation |
---|---|
bin | 11011101111101001000111… |
… | …000100000010101100011110 |
3 | 121000001010002010212002202011 |
4 | 123233221013010002230132 |
5 | 111443143421024340220 |
6 | 1111303434344421434 |
7 | 34462512261224026 |
oct | 3357510704025436 |
9 | 530033063762664 |
10 | 122021213121310 |
11 | 359749a67a2008 |
12 | 1182864147787a |
13 | 53117217a5619 |
14 | 221bc02d8ca86 |
15 | e190b9b2c65a |
hex | 6efa47102b1e |
122021213121310 has 16 divisors (see below), whose sum is σ = 219650434383600. Its totient is φ = 48805762856256.
The previous prime is 122021213121221. The next prime is 122021213121319. The reversal of 122021213121310 is 13121312120221.
It is a happy number.
It is a super-2 number, since 2×1220212131213102 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122021213121319) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340110780 + ... + 340469359.
It is an arithmetic number, because the mean of its divisors is an integer number (13728152148975).
Almost surely, 2122021213121310 is an apocalyptic number.
122021213121310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122021213121310 is a deficient number, since it is larger than the sum of its proper divisors (97629221262290).
122021213121310 is a wasteful number, since it uses less digits than its factorization.
122021213121310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 680598075.
The product of its (nonzero) digits is 288, while the sum is 22.
Adding to 122021213121310 its reverse (13121312120221), we get a palindrome (135142525241531).
The spelling of 122021213121310 in words is "one hundred twenty-two trillion, twenty-one billion, two hundred thirteen million, one hundred twenty-one thousand, three hundred ten".
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