Base | Representation |
---|---|
bin | 101001001011011011… |
… | …1010110111101011101 |
3 | 22110020212110210222001 |
4 | 1102112313112331131 |
5 | 2422101143042120 |
6 | 104342511122301 |
7 | 6250250224465 |
oct | 1222667267535 |
9 | 273225423861 |
10 | 88430440285 |
11 | 34559750700 |
12 | 1517b213391 |
13 | 84538b6a15 |
14 | 43cc68cba5 |
15 | 2478691e0a |
hex | 1496dd6f5d |
88430440285 has 24 divisors (see below), whose sum is σ = 123501700728. Its totient is φ = 60529920000.
The previous prime is 88430440279. The next prime is 88430440313. The reversal of 88430440285 is 58204403488.
It can be written as a sum of positive squares in 4 ways, for example, as 34370935236 + 54059505049 = 185394^2 + 232507^2 .
It is not a de Polignac number, because 88430440285 - 213 = 88430432093 is a prime.
It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4288716 + ... + 4309285.
It is an arithmetic number, because the mean of its divisors is an integer number (5145904197).
Almost surely, 288430440285 is an apocalyptic number.
88430440285 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
88430440285 is a deficient number, since it is larger than the sum of its proper divisors (35071260443).
88430440285 is a wasteful number, since it uses less digits than its factorization.
88430440285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8598045 (or 8598034 counting only the distinct ones).
The product of its (nonzero) digits is 983040, while the sum is 46.
The spelling of 88430440285 in words is "eighty-eight billion, four hundred thirty million, four hundred forty thousand, two hundred eighty-five".
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