Base | Representation |
---|---|
bin | 100011011110010100010101… |
… | …1011001010111001101000011 |
3 | 1111220210210020022110222220021 |
4 | 1012330220223121113031003 |
5 | 311344300122120421311 |
6 | 3023344352223154311 |
7 | 122503300545356104 |
oct | 10674505331271503 |
9 | 1456723208428807 |
10 | 312030102123331 |
11 | 9047125004a0a9 |
12 | 2abb5635a45997 |
13 | 1051540a3948a7 |
14 | 570a4a22443ab |
15 | 261194432c171 |
hex | 11bca2b657343 |
312030102123331 has 32 divisors (see below), whose sum is σ = 323444522419200. Its totient is φ = 300824054496000.
The previous prime is 312030102123301. The next prime is 312030102123409. The reversal of 312030102123331 is 133321201030213.
It is a cyclic number.
It is not a de Polignac number, because 312030102123331 - 221 = 312030100026179 is a prime.
It is a super-2 number, since 2×3120301021233312 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 312030102123296 and 312030102123305.
It is not an unprimeable number, because it can be changed into a prime (312030102123301) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 761998800 + ... + 762408178.
It is an arithmetic number, because the mean of its divisors is an integer number (10107641325600).
Almost surely, 2312030102123331 is an apocalyptic number.
312030102123331 is a deficient number, since it is larger than the sum of its proper divisors (11414420295869).
312030102123331 is a wasteful number, since it uses less digits than its factorization.
312030102123331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 410251.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 312030102123331 its reverse (133321201030213), we get a palindrome (445351303153544).
The spelling of 312030102123331 in words is "three hundred twelve trillion, thirty billion, one hundred two million, one hundred twenty-three thousand, three hundred thirty-one".
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