Base | Representation |
---|---|
bin | 1001000111010100010010… |
… | …1111111110111110101001 |
3 | 1022111000202110202200102000 |
4 | 2101311010233332332221 |
5 | 2303142121401142420 |
6 | 33151421030001213 |
7 | 2053005312435051 |
oct | 221650457767651 |
9 | 38430673680360 |
10 | 10021312130985 |
11 | 3214018496511 |
12 | 115a2451a6209 |
13 | 57900c62790c |
14 | 2690697b2561 |
15 | 125a25e98690 |
hex | 91d44bfefa9 |
10021312130985 has 32 divisors (see below), whose sum is σ = 17815973930880. Its totient is φ = 5344607427264.
The previous prime is 10021312130903. The next prime is 10021312130993. The reversal of 10021312130985 is 58903121312001.
10021312130985 is a `hidden beast` number, since 10 + 0 + 21 + 312 + 1 + 309 + 8 + 5 = 666.
It is not a de Polignac number, because 10021312130985 - 217 = 10021311999913 is a prime.
It is a super-3 number, since 3×100213121309853 (a number of 40 digits) contains 333 as substring.
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, 7587822 + ... + 8810088.
It is an arithmetic number, because the mean of its divisors is an integer number (556749185340).
Almost surely, 210021312130985 is an apocalyptic number.
10021312130985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10021312130985 is a deficient number, since it is larger than the sum of its proper divisors (7794661799895).
10021312130985 is a wasteful number, since it uses less digits than its factorization.
10021312130985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1283014 (or 1283008 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 36.
Adding to 10021312130985 its reverse (58903121312001), we get a palindrome (68924433442986).
The spelling of 10021312130985 in words is "ten trillion, twenty-one billion, three hundred twelve million, one hundred thirty thousand, nine hundred eighty-five".
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