Base | Representation |
---|---|
bin | 11110110111010110000… |
… | …011111001001111001110 |
3 | 21111202200211221001120021 |
4 | 132313112003321033032 |
5 | 234222312104101110 |
6 | 4302213442012354 |
7 | 306144416264140 |
oct | 36672603711716 |
9 | 7452624831507 |
10 | 2121010222030 |
11 | 748573a80747 |
12 | 2a30960470ba |
13 | 125019b2754b |
14 | 7492c044c90 |
15 | 3a28b9d32da |
hex | 1edd60f93ce |
2121010222030 has 64 divisors (see below), whose sum is σ = 4398371684352. Its totient is φ = 721347137280.
The previous prime is 2121010222027. The next prime is 2121010222033. The reversal of 2121010222030 is 302220101212.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2121010222027) and next prime (2121010222033).
It is a junction number, because it is equal to n+sod(n) for n = 2121010221995 and 2121010222013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2121010222033) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57953397 + ... + 57989983.
It is an arithmetic number, because the mean of its divisors is an integer number (68724557568).
Almost surely, 22121010222030 is an apocalyptic number.
2121010222030 is an abundant number, since it is smaller than the sum of its proper divisors (2277361462322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2121010222030 is a wasteful number, since it uses less digits than its factorization.
2121010222030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43249.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 2121010222030 its reverse (302220101212), we get a palindrome (2423230323242).
The spelling of 2121010222030 in words is "two trillion, one hundred twenty-one billion, ten million, two hundred twenty-two thousand, thirty".
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