Base | Representation |
---|---|
bin | 101111100001011101… |
… | …1001011100010101101 |
3 | 100202102100121212022210 |
4 | 1133002323023202231 |
5 | 3133001430311420 |
6 | 114514435001033 |
7 | 10242002201241 |
oct | 1370273134255 |
9 | 322370555283 |
10 | 102054541485 |
11 | 3a310145576 |
12 | 17941a39179 |
13 | 9815372370 |
14 | 4d21c76421 |
15 | 29c47c29e0 |
hex | 17c2ecb8ad |
102054541485 has 32 divisors (see below), whose sum is σ = 175865518080. Its totient is φ = 50237180928.
The previous prime is 102054541453. The next prime is 102054541499. The reversal of 102054541485 is 584145450201.
It is a happy number.
It is not a de Polignac number, because 102054541485 - 25 = 102054541453 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2573236 + ... + 2612594.
It is an arithmetic number, because the mean of its divisors is an integer number (5495797440).
Almost surely, 2102054541485 is an apocalyptic number.
102054541485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
102054541485 is a deficient number, since it is larger than the sum of its proper divisors (73810976595).
102054541485 is a wasteful number, since it uses less digits than its factorization.
102054541485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52677.
The product of its (nonzero) digits is 128000, while the sum is 39.
Adding to 102054541485 its reverse (584145450201), we get a palindrome (686199991686).
The spelling of 102054541485 in words is "one hundred two billion, fifty-four million, five hundred forty-one thousand, four hundred eighty-five".
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