Base | Representation |
---|---|
bin | 11011101111010111001110… |
… | …011110010101010111100101 |
3 | 120222222021111211222121101220 |
4 | 123233113032132111113211 |
5 | 111442340104041214341 |
6 | 1111250541045210553 |
7 | 34461232354234515 |
oct | 3357271636252745 |
9 | 528867454877356 |
10 | 122002010101221 |
11 | 35967842130878 |
12 | 11824982400a59 |
13 | 530c981264043 |
14 | 221ad00887845 |
15 | e18843d3da66 |
hex | 6ef5ce7955e5 |
122002010101221 has 8 divisors (see below), whose sum is σ = 162701199053664. Its totient is φ = 81318747274800.
The previous prime is 122002010101207. The next prime is 122002010101247. The reversal of 122002010101221 is 122101010200221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122002010101221 - 26 = 122002010101157 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 122002010101221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122002010101271) 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, 3981513630 + ... + 3981544271.
It is an arithmetic number, because the mean of its divisors is an integer number (20337649881708).
Almost surely, 2122002010101221 is an apocalyptic number.
It is an amenable number.
122002010101221 is a deficient number, since it is larger than the sum of its proper divisors (40699188952443).
122002010101221 is an equidigital number, since it uses as much as digits as its factorization.
122002010101221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7963063011.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 122002010101221 its reverse (122101010200221), we get a palindrome (244103020301442).
The spelling of 122002010101221 in words is "one hundred twenty-two trillion, two billion, ten million, one hundred one thousand, two hundred twenty-one".
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