Base | Representation |
---|---|
bin | 1000010000000110… |
… | …0101111100110101 |
3 | 12201100221011122011 |
4 | 2010001211330311 |
5 | 14014020310401 |
6 | 1003443204221 |
7 | 105614163253 |
oct | 20401457465 |
9 | 5640834564 |
10 | 2215010101 |
11 | a37351967 |
12 | 519976671 |
13 | 293b88785 |
14 | 1702675d3 |
15 | ce6d4451 |
hex | 84065f35 |
2215010101 has 16 divisors (see below), whose sum is σ = 2472877440. Its totient is φ = 1974265920.
The previous prime is 2215010089. The next prime is 2215010107. The reversal of 2215010101 is 1010105122.
It is a cyclic number.
It is not a de Polignac number, because 2215010101 - 213 = 2215001909 is a prime.
It is a super-5 number, since 5×22150101015 (a number of 48 digits) contains 55555 as substring.
It is a Duffinian number.
2215010101 is a modest number, since divided by 10101 gives 2215 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2215010107) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14890 + ... + 68203.
It is an arithmetic number, because the mean of its divisors is an integer number (154554840).
Almost surely, 22215010101 is an apocalyptic number.
It is an amenable number.
2215010101 is a deficient number, since it is larger than the sum of its proper divisors (257867339).
2215010101 is a wasteful number, since it uses less digits than its factorization.
2215010101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83196.
The product of its (nonzero) digits is 20, while the sum is 13.
The square root of 2215010101 is about 47063.8938146856. The cubic root of 2215010101 is about 1303.5426254004.
Adding to 2215010101 its reverse (1010105122), we get a palindrome (3225115223).
The spelling of 2215010101 in words is "two billion, two hundred fifteen million, ten thousand, one hundred one".
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