Base | Representation |
---|---|
bin | 10100100011100010… |
… | …000011001011101001 |
3 | 2002222011102012010000 |
4 | 110203202003023221 |
5 | 330200131334334 |
6 | 14050025213213 |
7 | 1410640051434 |
oct | 244342031351 |
9 | 62864365100 |
10 | 22070964969 |
11 | 93a6536719 |
12 | 433b631209 |
13 | 210976aab1 |
14 | 10d537481b |
15 | 89299a299 |
hex | 5238832e9 |
22070964969 has 45 divisors (see below), whose sum is σ = 35059821511. Its totient is φ = 13834186560.
The previous prime is 22070964961. The next prime is 22070964991. The reversal of 22070964969 is 96946907022.
The square root of 22070964969 is 148563.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 17183277225 + 4887687744 = 131085^2 + 69912^2 .
It is not a de Polignac number, because 22070964969 - 23 = 22070964961 is a prime.
It is a super-2 number, since 2×220709649692 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22070964961) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 22729654 + ... + 22730624.
Almost surely, 222070964969 is an apocalyptic number.
22070964969 is the 148563-rd square number.
22070964969 is the 74282-nd centered octagonal number.
It is an amenable number.
22070964969 is a deficient number, since it is larger than the sum of its proper divisors (12988856542).
22070964969 is an frugal number, since it uses more digits than its factorization.
22070964969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1988 (or 991 counting only the distinct ones).
The product of its (nonzero) digits is 2939328, while the sum is 54.
The spelling of 22070964969 in words is "twenty-two billion, seventy million, nine hundred sixty-four thousand, nine hundred sixty-nine".
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