Base | Representation |
---|---|
bin | 101010011100111… |
… | …000001000001001 |
3 | 1211122011011120022 |
4 | 222130320020021 |
5 | 2424311304001 |
6 | 154401110225 |
7 | 23435465513 |
oct | 5234701011 |
9 | 1748134508 |
10 | 712213001 |
11 | 336031195 |
12 | 17a628375 |
13 | b4727316 |
14 | 6a836bb3 |
15 | 427d611b |
hex | 2a738209 |
712213001 has 4 divisors (see below), whose sum is σ = 736772100. Its totient is φ = 687653904.
The previous prime is 712212983. The next prime is 712213027. The reversal of 712213001 is 100312217.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 437813776 + 274399225 = 20924^2 + 16565^2 .
It is a cyclic number.
It is not a de Polignac number, because 712213001 - 26 = 712212937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (712210001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12279506 + ... + 12279563.
It is an arithmetic number, because the mean of its divisors is an integer number (184193025).
Almost surely, 2712213001 is an apocalyptic number.
It is an amenable number.
712213001 is a deficient number, since it is larger than the sum of its proper divisors (24559099).
712213001 is a wasteful number, since it uses less digits than its factorization.
712213001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24559098.
The product of its (nonzero) digits is 84, while the sum is 17.
The square root of 712213001 is about 26687.3191047733. The cubic root of 712213001 is about 893.0380547305.
Adding to 712213001 its reverse (100312217), we get a palindrome (812525218).
The spelling of 712213001 in words is "seven hundred twelve million, two hundred thirteen thousand, one".
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