Base | Representation |
---|---|
bin | 10010110110011011… |
… | …00000011100000101 |
3 | 222010021221112020220 |
4 | 21123031200130011 |
5 | 131211232430424 |
6 | 4352115014553 |
7 | 505534204032 |
oct | 113315403405 |
9 | 28107845226 |
10 | 10120201989 |
11 | 43236545a7 |
12 | 1b6529a459 |
13 | c53885301 |
14 | 6c00d2389 |
15 | 3e3703579 |
hex | 25b360705 |
10120201989 has 8 divisors (see below), whose sum is σ = 13619711520. Its totient is φ = 6683746896.
The previous prime is 10120201979. The next prime is 10120201991. The reversal of 10120201989 is 98910202101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10120201989 - 215 = 10120169221 is a prime.
It is a super-2 number, since 2×101202019892 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10120201979) 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, 15763234 + ... + 15763875.
It is an arithmetic number, because the mean of its divisors is an integer number (1702463940).
Almost surely, 210120201989 is an apocalyptic number.
It is an amenable number.
10120201989 is a deficient number, since it is larger than the sum of its proper divisors (3499509531).
10120201989 is a wasteful number, since it uses less digits than its factorization.
10120201989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31527219.
The product of its (nonzero) digits is 2592, while the sum is 33.
The spelling of 10120201989 in words is "ten billion, one hundred twenty million, two hundred one thousand, nine hundred eighty-nine".
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