Base | Representation |
---|---|
bin | 10101011001001100… |
… | …101110000001111001 |
3 | 2012021220122010112100 |
4 | 111121030232001321 |
5 | 334021130433334 |
6 | 14315231334013 |
7 | 1442152123251 |
oct | 253114560171 |
9 | 65256563470 |
10 | 22971342969 |
11 | 98187a6a73 |
12 | 4551081309 |
13 | 2221167543 |
14 | 117cb8c961 |
15 | 8e6a4dc99 |
hex | 55932e079 |
22971342969 has 27 divisors (see below), whose sum is σ = 35032276773. Its totient is φ = 14502760344.
The previous prime is 22971342967. The next prime is 22971342971. The reversal of 22971342969 is 96924317922.
The square root of 22971342969 is 151563.
It is a perfect power (a square), and thus also a powerful number.
22971342969 is a `hidden beast` number, since 2 + 297 + 1 + 342 + 9 + 6 + 9 = 666.
It is an interprime number because it is at equal distance from previous prime (22971342967) and next prime (22971342971).
It is not a de Polignac number, because 22971342969 - 21 = 22971342967 is a prime.
It is a super-2 number, since 2×229713429692 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (22971342967) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8637762 + ... + 8640420.
Almost surely, 222971342969 is an apocalyptic number.
22971342969 is the 151563-rd square number.
22971342969 is the 75782-nd centered octagonal number.
It is an amenable number.
22971342969 is a deficient number, since it is larger than the sum of its proper divisors (12060933804).
22971342969 is an frugal number, since it uses more digits than its factorization.
22971342969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5362 (or 2681 counting only the distinct ones).
The product of its digits is 2939328, while the sum is 54.
It can be divided in two parts, 22971 and 342969, that added together give a triangular number (365940 = T855).
The spelling of 22971342969 in words is "twenty-two billion, nine hundred seventy-one million, three hundred forty-two thousand, nine hundred sixty-nine".
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