Base | Representation |
---|---|
bin | 10010110100001000… |
… | …10101100111101001 |
3 | 222001221212001002212 |
4 | 21122010111213221 |
5 | 131141330134121 |
6 | 4350151534505 |
7 | 505212156200 |
oct | 113204254751 |
9 | 28057761085 |
10 | 10101021161 |
11 | 4313843780 |
12 | 1b5a98a435 |
13 | c4c8ca9ca |
14 | 6bb73c237 |
15 | 3e1bb525b |
hex | 25a1159e9 |
10101021161 has 12 divisors (see below), whose sum is σ = 12818365200. Its totient is φ = 7870925160.
The previous prime is 10101021107. The next prime is 10101021181. The reversal of 10101021161 is 16112010101.
It is not a de Polignac number, because 10101021161 - 214 = 10101004777 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10101021181) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9369611 + ... + 9370688.
It is an arithmetic number, because the mean of its divisors is an integer number (1068197100).
Almost surely, 210101021161 is an apocalyptic number.
10101021161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
10101021161 is a deficient number, since it is larger than the sum of its proper divisors (2717344039).
10101021161 is a wasteful number, since it uses less digits than its factorization.
10101021161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18740324 (or 18740317 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 14.
Adding to 10101021161 its reverse (16112010101), we get a palindrome (26213031262).
The spelling of 10101021161 in words is "ten billion, one hundred one million, twenty-one thousand, one hundred sixty-one".
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