Base | Representation |
---|---|
bin | 11110000000011011100… |
… | …01000111111001000110 |
3 | 10122120020202220211102110 |
4 | 33000031301013321012 |
5 | 113343013410212410 |
6 | 2105351231521450 |
7 | 134326500011460 |
oct | 17001561077106 |
9 | 3576222824373 |
10 | 1031023132230 |
11 | 368288752353 |
12 | 14799b689286 |
13 | 762c0609b10 |
14 | 37c8a701130 |
15 | 1bc450e0720 |
hex | f00dc47e46 |
1031023132230 has 128 divisors (see below), whose sum is σ = 3053315865600. Its totient is φ = 216975112704.
The previous prime is 1031023132187. The next prime is 1031023132247. The reversal of 1031023132230 is 322313201301.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1031023132197 and 1031023132206.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 576541 + ... + 1547399.
It is an arithmetic number, because the mean of its divisors is an integer number (23854030200).
Almost surely, 21031023132230 is an apocalyptic number.
1031023132230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1031023132230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526657932800).
1031023132230 is an abundant number, since it is smaller than the sum of its proper divisors (2022292733370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031023132230 is a wasteful number, since it uses less digits than its factorization.
1031023132230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 971278.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 1031023132230 its reverse (322313201301), we get a palindrome (1353336333531).
The spelling of 1031023132230 in words is "one trillion, thirty-one billion, twenty-three million, one hundred thirty-two thousand, two hundred thirty".
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