Base | Representation |
---|---|
bin | 10111001100100101100011… |
… | …101101011010011011101111 |
3 | 111101020000112101002012001200 |
4 | 113030211203231122123233 |
5 | 101332444010420443043 |
6 | 1000551204422140543 |
7 | 30326463321455550 |
oct | 2714454355323357 |
9 | 441200471065050 |
10 | 102020031031023 |
11 | 2a5634a7951056 |
12 | b5381b9b81753 |
13 | 44c05a862b2a1 |
14 | 1b29b1db44327 |
15 | bbdb960e77d3 |
hex | 5cc963b5a6ef |
102020031031023 has 12 divisors (see below), whose sum is σ = 168414019479888. Its totient is φ = 58297160589120.
The previous prime is 102020031030989. The next prime is 102020031031043. The reversal of 102020031031023 is 320130130020201.
102020031031023 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 20 + 0 + 310 + 310 + 23 = 666.
It is not a de Polignac number, because 102020031031023 - 28 = 102020031030767 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 102020031030987 and 102020031031005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102020031031043) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 809682785898 + ... + 809682786023.
It is an arithmetic number, because the mean of its divisors is an integer number (14034501623324).
Almost surely, 2102020031031023 is an apocalyptic number.
102020031031023 is a deficient number, since it is larger than the sum of its proper divisors (66393988448865).
102020031031023 is a wasteful number, since it uses less digits than its factorization.
102020031031023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1619365571934 (or 1619365571931 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 102020031031023 its reverse (320130130020201), we get a palindrome (422150161051224).
The spelling of 102020031031023 in words is "one hundred two trillion, twenty billion, thirty-one million, thirty-one thousand, twenty-three".
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