Base | Representation |
---|---|
bin | 1001000110001111… |
… | …0111111010011101 |
3 | 20022012020112221021 |
4 | 2101203313322131 |
5 | 20000134203011 |
6 | 1042154404141 |
7 | 114342340120 |
oct | 22143677235 |
9 | 6265215837 |
10 | 2442100381 |
11 | 1043558186 |
12 | 581a30651 |
13 | 2cbc39516 |
14 | 19249c3b7 |
15 | e45e0471 |
hex | 918f7e9d |
2442100381 has 24 divisors (see below), whose sum is σ = 3025322880. Its totient is φ = 1929388896.
The previous prime is 2442100373. The next prime is 2442100403. The reversal of 2442100381 is 1830012442.
It is not a de Polignac number, because 2442100381 - 23 = 2442100373 is a prime.
It is a super-2 number, since 2×24421003812 = 11927708541760690322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2442100301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80440 + ... + 106558.
It is an arithmetic number, because the mean of its divisors is an integer number (126055120).
Almost surely, 22442100381 is an apocalyptic number.
It is an amenable number.
2442100381 is a deficient number, since it is larger than the sum of its proper divisors (583222499).
2442100381 is a wasteful number, since it uses less digits than its factorization.
2442100381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26201 (or 26182 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 25.
The square root of 2442100381 is about 49417.6120527894. The cubic root of 2442100381 is about 1346.6492817564.
The spelling of 2442100381 in words is "two billion, four hundred forty-two million, one hundred thousand, three hundred eighty-one".
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