Base | Representation |
---|---|
bin | 1000000101111000… |
… | …1000101000111100 |
3 | 12121101022012010120 |
4 | 2001132020220330 |
5 | 13422033114242 |
6 | 555312534540 |
7 | 104554026441 |
oct | 20136105074 |
9 | 5541265116 |
10 | 2172160572 |
11 | a1514542a |
12 | 507551450 |
13 | 288034c1a |
14 | 1686b19c8 |
15 | caa6d1ec |
hex | 81788a3c |
2172160572 has 24 divisors (see below), whose sum is σ = 5288739456. Its totient is φ = 692572848.
The previous prime is 2172160561. The next prime is 2172160577. The reversal of 2172160572 is 2750612712.
It is a super-3 number, since 3×21721605723 (a number of 29 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2172160577) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3934798 + ... + 3935349.
It is an arithmetic number, because the mean of its divisors is an integer number (220364144).
Almost surely, 22172160572 is an apocalyptic number.
It is an amenable number.
2172160572 is an abundant number, since it is smaller than the sum of its proper divisors (3116578884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2172160572 is a wasteful number, since it uses less digits than its factorization.
2172160572 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7870177 (or 7870175 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 33.
The square root of 2172160572 is about 46606.4434601054. The cubic root of 2172160572 is about 1295.0821237604.
The spelling of 2172160572 in words is "two billion, one hundred seventy-two million, one hundred sixty thousand, five hundred seventy-two".
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