Base | Representation |
---|---|
bin | 10100101011111001… |
… | …010100101111100110 |
3 | 2010022221110010120000 |
4 | 110223321110233212 |
5 | 330442042041232 |
6 | 14112000522130 |
7 | 1414262540601 |
oct | 245371245746 |
9 | 63287403500 |
10 | 22211283942 |
11 | 9468766411 |
12 | 437a620346 |
13 | 212c85a383 |
14 | 1109c5d338 |
15 | 89ee6627c |
hex | 52be54be6 |
22211283942 has 20 divisors (see below), whose sum is σ = 49769729196. Its totient is φ = 7403761260.
The previous prime is 22211283929. The next prime is 22211283971. The reversal of 22211283942 is 24938211222.
It is a happy number.
It is a super-2 number, since 2×222112839422 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22211283897 and 22211283906.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68553184 + ... + 68553507.
Almost surely, 222211283942 is an apocalyptic number.
22211283942 is an abundant number, since it is smaller than the sum of its proper divisors (27558445254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22211283942 is a wasteful number, since it uses less digits than its factorization.
22211283942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137106705 (or 137106696 counting only the distinct ones).
The product of its digits is 27648, while the sum is 36.
It can be divided in two parts, 22211 and 283942, that added together give a triangular number (306153 = T782).
The spelling of 22211283942 in words is "twenty-two billion, two hundred eleven million, two hundred eighty-three thousand, nine hundred forty-two".
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