Base | Representation |
---|---|
bin | 10010110100001000… |
… | …10000101100101101 |
3 | 222001221211000110100 |
4 | 21122010100230231 |
5 | 131141324013010 |
6 | 4350151301313 |
7 | 505212043344 |
oct | 113204205455 |
9 | 28057730410 |
10 | 10101001005 |
11 | 431382a617 |
12 | 1b5a97a839 |
13 | c4c8c1794 |
14 | 6bb734b5b |
15 | 3e1bae2c0 |
hex | 25a110b2d |
10101001005 has 24 divisors (see below), whose sum is σ = 17880924672. Its totient is φ = 5272578144.
The previous prime is 10101000961. The next prime is 10101001037. The reversal of 10101001005 is 50010010101.
It is not a de Polignac number, because 10101001005 - 26 = 10101000941 is a prime.
It is a super-2 number, since 2×101010010052 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2385829 + ... + 2390058.
It is an arithmetic number, because the mean of its divisors is an integer number (745038528).
Almost surely, 210101001005 is an apocalyptic number.
10101001005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10101001005 is a deficient number, since it is larger than the sum of its proper divisors (7779923667).
10101001005 is a wasteful number, since it uses less digits than its factorization.
10101001005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4775945 (or 4775942 counting only the distinct ones).
The product of its (nonzero) digits is 5, while the sum is 9.
Adding to 10101001005 its reverse (50010010101), we get a palindrome (60111011106).
The spelling of 10101001005 in words is "ten billion, one hundred one million, one thousand, five".
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