Base | Representation |
---|---|
bin | 10001111001100010111… |
… | …101110010101010000111 |
3 | 11100120220021112112112121 |
4 | 101321202331302222013 |
5 | 130123040334341403 |
6 | 2341021443030411 |
7 | 154603032044452 |
oct | 21714275625207 |
9 | 4316807475477 |
10 | 1230021012103 |
11 | 4347158818a4 |
12 | 17a47766b407 |
13 | 8bcb5128ab0 |
14 | 43767682499 |
15 | 21ee05b53bd |
hex | 11e62f72a87 |
1230021012103 has 8 divisors (see below), whose sum is σ = 1324976072000. Its totient is φ = 1135114246368.
The previous prime is 1230021012071. The next prime is 1230021012137. The reversal of 1230021012103 is 3012101200321.
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 1230021012103 - 25 = 1230021012071 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 (1230021312103) 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, 12020628 + ... + 12122521.
It is an arithmetic number, because the mean of its divisors is an integer number (165622009000).
Almost surely, 21230021012103 is an apocalyptic number.
1230021012103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1230021012103 is a deficient number, since it is larger than the sum of its proper divisors (94955059897).
1230021012103 is a wasteful number, since it uses less digits than its factorization.
1230021012103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24147081.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 1230021012103 its reverse (3012101200321), we get a palindrome (4242122212424).
The spelling of 1230021012103 in words is "one trillion, two hundred thirty billion, twenty-one million, twelve thousand, one hundred three".
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