Base | Representation |
---|---|
bin | 11001011001011… |
… | …11011001001011 |
3 | 112211220022120211 |
4 | 30230233121023 |
5 | 414020230201 |
6 | 33050301551 |
7 | 5164636516 |
oct | 1454573113 |
9 | 484808524 |
10 | 213055051 |
11 | aa29a460 |
12 | 5b4278b7 |
13 | 351a85a1 |
14 | 2041dd7d |
15 | 13a87651 |
hex | cb2f64b |
213055051 has 8 divisors (see below), whose sum is σ = 233284608. Its totient is φ = 192969000.
The previous prime is 213055019. The next prime is 213055057. The reversal of 213055051 is 150550312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 213055051 - 25 = 213055019 is a prime.
It is a super-2 number, since 2×2130550512 = 90784909513225202, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (213055057) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32755 + ... + 38716.
It is an arithmetic number, because the mean of its divisors is an integer number (29160576).
Almost surely, 2213055051 is an apocalyptic number.
213055051 is a deficient number, since it is larger than the sum of its proper divisors (20229557).
213055051 is a wasteful number, since it uses less digits than its factorization.
213055051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71753.
The product of its (nonzero) digits is 750, while the sum is 22.
The square root of 213055051 is about 14596.4054136626. The cubic root of 213055051 is about 597.2607082034.
The spelling of 213055051 in words is "two hundred thirteen million, fifty-five thousand, fifty-one".
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