Base | Representation |
---|---|
bin | 111110111100100… |
… | …1001000010110110 |
3 | 12110012100101101111 |
4 | 1331321021002312 |
5 | 13311201200004 |
6 | 545330145234 |
7 | 103224551032 |
oct | 17571110266 |
9 | 5405311344 |
10 | 2112131254 |
11 | 994274522 |
12 | 4ab42221a |
13 | 27877780c |
14 | 1607271c2 |
15 | c5661a04 |
hex | 7de490b6 |
2112131254 has 8 divisors (see below), whose sum is σ = 3169077480. Its totient is φ = 1055772096.
The previous prime is 2112131243. The next prime is 2112131299. The reversal of 2112131254 is 4521312112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×21121312542 = 8922196868247225032, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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, 137659 + ... + 152230.
It is an arithmetic number, because the mean of its divisors is an integer number (396134685).
Almost surely, 22112131254 is an apocalyptic number.
2112131254 is a deficient number, since it is larger than the sum of its proper divisors (1056946226).
2112131254 is a wasteful number, since it uses less digits than its factorization.
2112131254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 293534.
The product of its digits is 480, while the sum is 22.
The square root of 2112131254 is about 45957.9291744091. The cubic root of 2112131254 is about 1283.0403098386.
Adding to 2112131254 its reverse (4521312112), we get a palindrome (6633443366).
The spelling of 2112131254 in words is "two billion, one hundred twelve million, one hundred thirty-one thousand, two hundred fifty-four".
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