Base | Representation |
---|---|
bin | 1011000110010100100100… |
… | …1100111111100111110111 |
3 | 1121012121200002121112020012 |
4 | 2301211021030333213313 |
5 | 3044414203414343111 |
6 | 41542030411130435 |
7 | 2366440264326500 |
oct | 261451114774767 |
9 | 47177602545205 |
10 | 12203230231031 |
11 | 39853a7367424 |
12 | 1451099143a1b |
13 | 6a69b5003768 |
14 | 3028d4ab7ba7 |
15 | 162679c6548b |
hex | b194933f9f7 |
12203230231031 has 24 divisors (see below), whose sum is σ = 14227905546000. Its totient is φ = 10436117956992.
The previous prime is 12203230230991. The next prime is 12203230231033. The reversal of 12203230231031 is 13013203230221.
It is not a de Polignac number, because 12203230231031 - 218 = 12203229968887 is a prime.
It is a super-2 number, since 2×122032302310312 (a number of 27 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 = 12203230230988 and 12203230231006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12203230231033) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71593595 + ... + 71763843.
It is an arithmetic number, because the mean of its divisors is an integer number (592829397750).
Almost surely, 212203230231031 is an apocalyptic number.
12203230231031 is a deficient number, since it is larger than the sum of its proper divisors (2024675314969).
12203230231031 is a wasteful number, since it uses less digits than its factorization.
12203230231031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173583 (or 173576 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 12203230231031 its reverse (13013203230221), we get a palindrome (25216433461252).
The spelling of 12203230231031 in words is "twelve trillion, two hundred three billion, two hundred thirty million, two hundred thirty-one thousand, thirty-one".
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