Base | Representation |
---|---|
bin | 1000000101110111… |
… | …0010101011001010 |
3 | 12121101010121201100 |
4 | 2001131302223022 |
5 | 13422022224402 |
6 | 555311002230 |
7 | 104553203232 |
oct | 20135625312 |
9 | 5541117640 |
10 | 2172070602 |
11 | a15093879 |
12 | 507509376 |
13 | 288002ca0 |
14 | 16868acc2 |
15 | caa5171c |
hex | 81772aca |
2172070602 has 48 divisors (see below), whose sum is σ = 5082877800. Its totient is φ = 666389376.
The previous prime is 2172070561. The next prime is 2172070609. The reversal of 2172070602 is 2060702712.
It can be written as a sum of positive squares in 4 ways, for example, as 2055624921 + 116445681 = 45339^2 + 10791^2 .
It is not an unprimeable number, because it can be changed into a prime (2172070609) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68368 + ... + 94964.
Almost surely, 22172070602 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2172070602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2541438900).
2172070602 is an abundant number, since it is smaller than the sum of its proper divisors (2910807198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2172070602 is a wasteful number, since it uses less digits than its factorization.
2172070602 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26967 (or 26964 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 2172070602 is about 46605.4782402241. The cubic root of 2172070602 is about 1295.0642429234.
The spelling of 2172070602 in words is "two billion, one hundred seventy-two million, seventy thousand, six hundred two".
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