Base | Representation |
---|---|
bin | 110100100010010001010010… |
… | …111101101101101111001010 |
3 | 1010022002111100101011220120212 |
4 | 310202101102331231233022 |
5 | 220241034432324043300 |
6 | 2135224254001121122 |
7 | 66445026643044224 |
oct | 6442212275555712 |
9 | 1108074311156525 |
10 | 231053452565450 |
11 | 67691245470919 |
12 | 21ab78599291a2 |
13 | 9bc0329b054c8 |
14 | 410b0924b9414 |
15 | 1baa36d111935 |
hex | d22452f6dbca |
231053452565450 has 24 divisors (see below), whose sum is σ = 429771506136588. Its totient is φ = 92418782238080.
The previous prime is 231053452565431. The next prime is 231053452565563. The reversal of 231053452565450 is 54565254350132.
It can be written as a sum of positive squares in 6 ways, for example, as 3303309885001 + 227750142680449 = 1817501^2 + 15091393^2 .
It is a Harshad number since it is a multiple of its sum of digits (50).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63173267 + ... + 66730566.
Almost surely, 2231053452565450 is an apocalyptic number.
231053452565450 is a deficient number, since it is larger than the sum of its proper divisors (198718053571138).
231053452565450 is a wasteful number, since it uses less digits than its factorization.
231053452565450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129939418 (or 129939413 counting only the distinct ones).
The product of its (nonzero) digits is 10800000, while the sum is 50.
The spelling of 231053452565450 in words is "two hundred thirty-one trillion, fifty-three billion, four hundred fifty-two million, five hundred sixty-five thousand, four hundred fifty".
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