Base | Representation |
---|---|
bin | 101111111110010001… |
… | …0011011011000101111 |
3 | 100211220201102201021222 |
4 | 1133330202123120233 |
5 | 3141441402200221 |
6 | 115154404213555 |
7 | 10304650111340 |
oct | 1377442333057 |
9 | 324821381258 |
10 | 103021131311 |
11 | 3a76681983a |
12 | 17b7169a2bb |
13 | 993a6b22c7 |
14 | 4db43a80c7 |
15 | 2a2e5a49ab |
hex | 17fc89b62f |
103021131311 has 8 divisors (see below), whose sum is σ = 117740488320. Its totient is φ = 88302287448.
The previous prime is 103021131293. The next prime is 103021131319. The reversal of 103021131311 is 113131120301.
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 103021131311 - 26 = 103021131247 is a prime.
It is a super-2 number, since 2×1030211313112 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 103021131311.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103021131319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521060 + ... + 691046.
It is an arithmetic number, because the mean of its divisors is an integer number (14717561040).
Almost surely, 2103021131311 is an apocalyptic number.
103021131311 is a deficient number, since it is larger than the sum of its proper divisors (14719357009).
103021131311 is an equidigital number, since it uses as much as digits as its factorization.
103021131311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 256573.
The product of its (nonzero) digits is 54, while the sum is 17.
Adding to 103021131311 its reverse (113131120301), we get a palindrome (216152251612).
The spelling of 103021131311 in words is "one hundred three billion, twenty-one million, one hundred thirty-one thousand, three hundred eleven".
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