Base | Representation |
---|---|
bin | 10010110011100110… |
… | …001110001000100010 |
3 | 1221010021201012111001 |
4 | 102303212032020202 |
5 | 312323402311320 |
6 | 13135422142214 |
7 | 1313254516612 |
oct | 226346161042 |
9 | 57107635431 |
10 | 20193010210 |
11 | 862247849a |
12 | 3ab672196a |
13 | 1b9a685569 |
14 | d97ba8a42 |
15 | 7d2b9420a |
hex | 4b398e222 |
20193010210 has 16 divisors (see below), whose sum is σ = 38485502136. Its totient is φ = 7602074368.
The previous prime is 20193010207. The next prime is 20193010283. The reversal of 20193010210 is 1201039102.
It can be written as a sum of positive squares in 4 ways, for example, as 19966537809 + 226472401 = 141303^2 + 15049^2 .
It is a super-2 number, since 2×201930102102 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59391037 + ... + 59391376.
Almost surely, 220193010210 is an apocalyptic number.
20193010210 is a deficient number, since it is larger than the sum of its proper divisors (18292491926).
20193010210 is a wasteful number, since it uses less digits than its factorization.
20193010210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118782437.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 20193010210 its reverse (1201039102), we get a palindrome (21394049312).
The spelling of 20193010210 in words is "twenty billion, one hundred ninety-three million, ten thousand, two hundred ten".
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