Base | Representation |
---|---|
bin | 101111110011001101001010… |
… | …1000110110000011011010111 |
3 | 2001010201000100021100222010112 |
4 | 1133212122111012300123113 |
5 | 420102204323143113111 |
6 | 4050121525340513235 |
7 | 154363541551505024 |
oct | 13746322506603327 |
9 | 2033630307328115 |
10 | 420454030051031 |
11 | 111a73609828069 |
12 | 3b1a6983b4b81b |
13 | 1507b84cb23502 |
14 | 75b81256d254b |
15 | 3391e92e61e8b |
hex | 17e66951b06d7 |
420454030051031 has 2 divisors, whose sum is σ = 420454030051032. Its totient is φ = 420454030051030.
The previous prime is 420454030051009. The next prime is 420454030051061. The reversal of 420454030051031 is 130150030454024.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 420454030051031 - 230 = 420452956309207 is a prime.
It is a super-2 number, since 2×4204540300510312 (a number of 30 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (420454030051061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210227015025515 + 210227015025516.
It is an arithmetic number, because the mean of its divisors is an integer number (210227015025516).
Almost surely, 2420454030051031 is an apocalyptic number.
420454030051031 is a deficient number, since it is larger than the sum of its proper divisors (1).
420454030051031 is an equidigital number, since it uses as much as digits as its factorization.
420454030051031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 28800, while the sum is 32.
The spelling of 420454030051031 in words is "four hundred twenty trillion, four hundred fifty-four billion, thirty million, fifty-one thousand, thirty-one".
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