Base | Representation |
---|---|
bin | 10010100110100… |
… | …100110100111001 |
3 | 210202021102201210 |
4 | 102212210310321 |
5 | 1114344232301 |
6 | 50545233333 |
7 | 10506552645 |
oct | 2246446471 |
9 | 722242653 |
10 | 312102201 |
11 | 1501a0004 |
12 | 88632849 |
13 | 4c877478 |
14 | 2d643c25 |
15 | 1c5eead6 |
hex | 129a4d39 |
312102201 has 16 divisors (see below), whose sum is σ = 444740544. Its totient is φ = 193995264.
The previous prime is 312102187. The next prime is 312102211. The reversal of 312102201 is 102201213.
It is not a de Polignac number, because 312102201 - 211 = 312100153 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (312102211) 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, 23140 + ... + 34053.
It is an arithmetic number, because the mean of its divisors is an integer number (27796284).
Almost surely, 2312102201 is an apocalyptic number.
It is an amenable number.
312102201 is a deficient number, since it is larger than the sum of its proper divisors (132638343).
312102201 is a wasteful number, since it uses less digits than its factorization.
312102201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57320.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 312102201 is about 17666.4144919109. The cubic root of 312102201 is about 678.3163371849.
Adding to 312102201 its reverse (102201213), we get a palindrome (414303414).
It can be divided in two parts, 31210 and 2201, that added together give a triangular number (33411 = T258).
The spelling of 312102201 in words is "three hundred twelve million, one hundred two thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •