Base | Representation |
---|---|
bin | 100100101010001… |
… | …1101100110010111 |
3 | 10011201122121012010 |
4 | 1021110131212113 |
5 | 10004401212022 |
6 | 322021155303 |
7 | 42324453651 |
oct | 11124354627 |
9 | 3151577163 |
10 | 1230100887 |
11 | 5813a6004 |
12 | 2a3b5bb33 |
13 | 167b03362 |
14 | b95276d1 |
15 | 72ed450c |
hex | 4951d997 |
1230100887 has 8 divisors (see below), whose sum is σ = 1645002736. Its totient is φ = 817633152.
The previous prime is 1230100867. The next prime is 1230100889. The reversal of 1230100887 is 7880010321.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1230100887 - 27 = 1230100759 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230100889) 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, 607348 + ... + 609369.
It is an arithmetic number, because the mean of its divisors is an integer number (205625342).
Almost surely, 21230100887 is an apocalyptic number.
1230100887 is a deficient number, since it is larger than the sum of its proper divisors (414901849).
1230100887 is a wasteful number, since it uses less digits than its factorization.
1230100887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1217057.
The product of its (nonzero) digits is 2688, while the sum is 30.
The square root of 1230100887 is about 35072.7941145270. The cubic root of 1230100887 is about 1071.4705627911.
The spelling of 1230100887 in words is "one billion, two hundred thirty million, one hundred thousand, eight hundred eighty-seven".
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