Base | Representation |
---|---|
bin | 1011110110000010011101… |
… | …0111000100100101111101 |
3 | 1201002222122100022121100121 |
4 | 2331200213113010211331 |
5 | 3201332101301413041 |
6 | 43410403440054541 |
7 | 2512611052522450 |
oct | 275404727044575 |
9 | 51088570277317 |
10 | 13023001201021 |
11 | 417102973a539 |
12 | 1563b40904451 |
13 | 7360aa078136 |
14 | 330460b47497 |
15 | 178b58b327d1 |
hex | bd8275c497d |
13023001201021 has 32 divisors (see below), whose sum is σ = 15659385927680. Its totient is φ = 10595945295936.
The previous prime is 13023001201003. The next prime is 13023001201069. The reversal of 13023001201021 is 12010210032031.
It is not a de Polignac number, because 13023001201021 - 213 = 13023001192829 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13023001200986 and 13023001201004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13023001201081) 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, 8886040 + ... + 10247326.
It is an arithmetic number, because the mean of its divisors is an integer number (489355810240).
Almost surely, 213023001201021 is an apocalyptic number.
It is an amenable number.
13023001201021 is a deficient number, since it is larger than the sum of its proper divisors (2636384726659).
13023001201021 is a wasteful number, since it uses less digits than its factorization.
13023001201021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1362233.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 13023001201021 its reverse (12010210032031), we get a palindrome (25033211233052).
The spelling of 13023001201021 in words is "thirteen trillion, twenty-three billion, one million, two hundred one thousand, twenty-one".
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