Base | Representation |
---|---|
bin | 1011011111000000011011100… |
… | …1101010111100001111101111 |
3 | 10220222102020102102212101101222 |
4 | 2313300012321222330033233 |
5 | 1321411201014321040211 |
6 | 11542442135310253555 |
7 | 332136541060441163 |
oct | 26760067152741757 |
9 | 3828366372771358 |
10 | 808148456424431 |
11 | 2145569212a0491 |
12 | 76780702ab72bb |
13 | 288c20c3200985 |
14 | 1037c845cb8ca3 |
15 | 6366be14eb1db |
hex | 2df01b9abc3ef |
808148456424431 has 4 divisors (see below), whose sum is σ = 808149073592232. Its totient is φ = 808147839256632.
The previous prime is 808148456424389. The next prime is 808148456424437. The reversal of 808148456424431 is 134424654841808.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-808148456424431 is a prime.
It is a super-2 number, since 2×8081484564244312 (a number of 31 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (808148456424437) 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, 306615545 + ... + 309240018.
It is an arithmetic number, because the mean of its divisors is an integer number (202037268398058).
Almost surely, 2808148456424431 is an apocalyptic number.
808148456424431 is a deficient number, since it is larger than the sum of its proper divisors (617167801).
808148456424431 is a wasteful number, since it uses less digits than its factorization.
808148456424431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 617167800.
The product of its (nonzero) digits is 94371840, while the sum is 62.
The spelling of 808148456424431 in words is "eight hundred eight trillion, one hundred forty-eight billion, four hundred fifty-six million, four hundred twenty-four thousand, four hundred thirty-one".
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