Base | Representation |
---|---|
bin | 110001100010100001… |
… | …0111010110100111001 |
3 | 101011121011022121200210 |
4 | 1203011002322310321 |
5 | 3220334040420042 |
6 | 120512253421333 |
7 | 10454215234530 |
oct | 1430502726471 |
9 | 334534277623 |
10 | 106385091897 |
11 | 4113267a157 |
12 | 1875019a849 |
13 | a0555ca226 |
14 | 5213073317 |
15 | 2b79a8da9c |
hex | 18c50bad39 |
106385091897 has 32 divisors (see below), whose sum is σ = 171277286400. Its totient is φ = 57377775168.
The previous prime is 106385091889. The next prime is 106385091913. The reversal of 106385091897 is 798190583601.
It is not a de Polignac number, because 106385091897 - 23 = 106385091889 is a prime.
It is a super-2 number, since 2×1063850918972 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is not an unprimeable number, because it can be changed into a prime (106385091887) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388263 + ... + 602924.
It is an arithmetic number, because the mean of its divisors is an integer number (5352415200).
Almost surely, 2106385091897 is an apocalyptic number.
It is an amenable number.
106385091897 is a deficient number, since it is larger than the sum of its proper divisors (64892194503).
106385091897 is a wasteful number, since it uses less digits than its factorization.
106385091897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 991485.
The product of its (nonzero) digits is 3265920, while the sum is 57.
The spelling of 106385091897 in words is "one hundred six billion, three hundred eighty-five million, ninety-one thousand, eight hundred ninety-seven".
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