Base | Representation |
---|---|
bin | 100100101011111… |
… | …1001101001100110 |
3 | 10011210100101120121 |
4 | 1021113321221212 |
5 | 10010114032324 |
6 | 322052352154 |
7 | 42335226511 |
oct | 11127715146 |
9 | 3153311517 |
10 | 1231002214 |
11 | 581961202 |
12 | 2a431565a |
13 | 16805a6a0 |
14 | b96bdd78 |
15 | 731115e4 |
hex | 495f9a66 |
1231002214 has 8 divisors (see below), whose sum is σ = 1988542080. Its totient is φ = 568154856.
The previous prime is 1231002211. The next prime is 1231002263. The reversal of 1231002214 is 4122001321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1231002211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23673094 + ... + 23673145.
It is an arithmetic number, because the mean of its divisors is an integer number (248567760).
Almost surely, 21231002214 is an apocalyptic number.
1231002214 is a deficient number, since it is larger than the sum of its proper divisors (757539866).
1231002214 is a wasteful number, since it uses less digits than its factorization.
1231002214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47346254.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 1231002214 is about 35085.6411370806. The cubic root of 1231002214 is about 1071.7321970409.
Adding to 1231002214 its reverse (4122001321), we get a palindrome (5353003535).
The spelling of 1231002214 in words is "one billion, two hundred thirty-one million, two thousand, two hundred fourteen".
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