Base | Representation |
---|---|
bin | 111101000000110000… |
… | …1010001001101111111 |
3 | 110112012011000021110120 |
4 | 1322001201101031333 |
5 | 4121313113013043 |
6 | 140105104110023 |
7 | 12315563430114 |
oct | 1720141211577 |
9 | 415164007416 |
10 | 131022001023 |
11 | 5062555a681 |
12 | 21487005313 |
13 | c480845b74 |
14 | 64ad10290b |
15 | 361c93d983 |
hex | 1e8185137f |
131022001023 has 16 divisors (see below), whose sum is σ = 174847819776. Its totient is φ = 87272134560.
The previous prime is 131022001007. The next prime is 131022001037. The reversal of 131022001023 is 320100220131.
It is not a de Polignac number, because 131022001023 - 24 = 131022001007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131022000993 and 131022001011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131022001423) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 29460786 + ... + 29465232.
It is an arithmetic number, because the mean of its divisors is an integer number (10927988736).
Almost surely, 2131022001023 is an apocalyptic number.
131022001023 is a deficient number, since it is larger than the sum of its proper divisors (43825818753).
131022001023 is a wasteful number, since it uses less digits than its factorization.
131022001023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10774.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 131022001023 its reverse (320100220131), we get a palindrome (451122221154).
The spelling of 131022001023 in words is "one hundred thirty-one billion, twenty-two million, one thousand, twenty-three".
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