Base | Representation |
---|---|
bin | 1011111100001… |
… | …01001101111101 |
3 | 20222110200012202 |
4 | 11332011031331 |
5 | 201120113011 |
6 | 13534441245 |
7 | 2324230526 |
oct | 576051575 |
9 | 228420182 |
10 | 100160381 |
11 | 515a0a82 |
12 | 29663225 |
13 | 1799b7c9 |
14 | d43384d |
15 | 8bd723b |
hex | 5f8537d |
100160381 has 4 divisors (see below), whose sum is σ = 105432000. Its totient is φ = 94888764.
The previous prime is 100160371. The next prime is 100160383. The reversal of 100160381 is 183061001.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 100160381 - 214 = 100143997 is a prime.
It is a super-2 number, since 2×1001603812 = 20064203844130322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100160383) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2635781 + ... + 2635818.
It is an arithmetic number, because the mean of its divisors is an integer number (26358000).
Almost surely, 2100160381 is an apocalyptic number.
It is an amenable number.
100160381 is a deficient number, since it is larger than the sum of its proper divisors (5271619).
100160381 is an equidigital number, since it uses as much as digits as its factorization.
100160381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5271618.
The product of its (nonzero) digits is 144, while the sum is 20.
The square root of 100160381 is about 10008.0158373176. The cubic root of 100160381 is about 464.4068917086.
The spelling of 100160381 in words is "one hundred million, one hundred sixty thousand, three hundred eighty-one".
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