Base | Representation |
---|---|
bin | 10010110110011011… |
… | …11011100010011110 |
3 | 222010022011011112001 |
4 | 21123031323202132 |
5 | 131211300003430 |
6 | 4352121232514 |
7 | 505535145454 |
oct | 113315734236 |
9 | 28108134461 |
10 | 10120312990 |
11 | 432371aa37 |
12 | 1b6533273a |
13 | c538c39a8 |
14 | 6c01209d4 |
15 | 3e37263ca |
hex | 25b37b89e |
10120312990 has 16 divisors (see below), whose sum is σ = 18844721280. Its totient is φ = 3908534560.
The previous prime is 10120312967. The next prime is 10120312991. The reversal of 10120312990 is 9921302101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10120312991) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17448526 + ... + 17449105.
It is an arithmetic number, because the mean of its divisors is an integer number (1177795080).
Almost surely, 210120312990 is an apocalyptic number.
10120312990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10120312990 is a deficient number, since it is larger than the sum of its proper divisors (8724408290).
10120312990 is a wasteful number, since it uses less digits than its factorization.
10120312990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34897667.
The product of its (nonzero) digits is 972, while the sum is 28.
The spelling of 10120312990 in words is "ten billion, one hundred twenty million, three hundred twelve thousand, nine hundred ninety".
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