Base | Representation |
---|---|
bin | 1100000100001… |
… | …11111101111110 |
3 | 21001110112001010 |
4 | 12002013331332 |
5 | 201403021342 |
6 | 14013300050 |
7 | 2336233455 |
oct | 602077576 |
9 | 231415033 |
10 | 101220222 |
11 | 52155284 |
12 | 29a94626 |
13 | 17c8002c |
14 | d62bb9c |
15 | 8d4629c |
hex | 6087f7e |
101220222 has 8 divisors (see below), whose sum is σ = 202440456. Its totient is φ = 33740072.
The previous prime is 101220169. The next prime is 101220233. The reversal of 101220222 is 222022101.
It is a sphenic number, since it is the product of 3 distinct primes.
101220222 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 101220198 and 101220207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8435013 + ... + 8435024.
It is an arithmetic number, because the mean of its divisors is an integer number (25305057).
Almost surely, 2101220222 is an apocalyptic number.
101220222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101220222 is a wasteful number, since it uses less digits than its factorization.
101220222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16870042.
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 101220222 is about 10060.8261092218. The cubic root of 101220222 is about 466.0391789835.
Adding to 101220222 its reverse (222022101), we get a palindrome (323242323).
The spelling of 101220222 in words is "one hundred one million, two hundred twenty thousand, two hundred twenty-two".
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