Base | Representation |
---|---|
bin | 10011000000001100… |
… | …11000011001001001 |
3 | 222100000021110221220 |
4 | 21200012120121021 |
5 | 131343232020410 |
6 | 4404204552253 |
7 | 510551303640 |
oct | 114006303111 |
9 | 28300243856 |
10 | 10202220105 |
11 | 4365983a70 |
12 | 1b88852689 |
13 | c6787113c |
14 | 6cad62357 |
15 | 3eaa05070 |
hex | 260198649 |
10202220105 has 32 divisors (see below), whose sum is σ = 20351443968. Its totient is φ = 4239883200.
The previous prime is 10202220079. The next prime is 10202220121. The reversal of 10202220105 is 50102220201.
It is not a de Polignac number, because 10202220105 - 27 = 10202219977 is a prime.
It is a super-2 number, since 2×102022201052 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
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, 4415391 + ... + 4417700.
It is an arithmetic number, because the mean of its divisors is an integer number (635982624).
Almost surely, 210202220105 is an apocalyptic number.
10202220105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10202220105 is a deficient number, since it is larger than the sum of its proper divisors (10149223863).
10202220105 is a wasteful number, since it uses less digits than its factorization.
10202220105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8833117.
The product of its (nonzero) digits is 80, while the sum is 15.
Adding to 10202220105 its reverse (50102220201), we get a palindrome (60304440306).
The spelling of 10202220105 in words is "ten billion, two hundred two million, two hundred twenty thousand, one hundred five".
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