Base | Representation |
---|---|
bin | 101110000010111100100000… |
… | …1001110000010001010011111 |
3 | 1222010002000120121201201220112 |
4 | 1130011321001032002022133 |
5 | 411041412401114122221 |
6 | 3553225543510440235 |
7 | 151212045361254632 |
oct | 13405710116021237 |
9 | 1863060517651815 |
10 | 405025100145311 |
11 | 1080651a905a8a8 |
12 | 395146b266307b |
13 | 144cc91a8101b9 |
14 | 72034687a5c19 |
15 | 31c597420515b |
hex | 1705e4138229f |
405025100145311 has 4 divisors (see below), whose sum is σ = 405037329566400. Its totient is φ = 405012870724224.
The previous prime is 405025100145293. The next prime is 405025100145359. The reversal of 405025100145311 is 113541001520504.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 405025100145311 - 230 = 405024026403487 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (405025100345311) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6114660866 + ... + 6114727103.
It is an arithmetic number, because the mean of its divisors is an integer number (101259332391600).
Almost surely, 2405025100145311 is an apocalyptic number.
405025100145311 is a deficient number, since it is larger than the sum of its proper divisors (12229421089).
405025100145311 is a wasteful number, since it uses less digits than its factorization.
405025100145311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12229421088.
The product of its (nonzero) digits is 12000, while the sum is 32.
Adding to 405025100145311 its reverse (113541001520504), we get a palindrome (518566101665815).
The spelling of 405025100145311 in words is "four hundred five trillion, twenty-five billion, one hundred million, one hundred forty-five thousand, three hundred eleven".
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