Base | Representation |
---|---|
bin | 11100001111100001101010… |
… | …100100101110011001000101 |
3 | 121021210120111201122020200212 |
4 | 130033201222210232121011 |
5 | 112240043133001244141 |
6 | 1120102152154045205 |
7 | 35110016104216556 |
oct | 3417415244563105 |
9 | 537716451566625 |
10 | 124212242212421 |
11 | 3663a130582400 |
12 | 11b211b8719805 |
13 | 5440219922c3c |
14 | 2295c9431c32d |
15 | e560a36ec2eb |
hex | 70f86a92e645 |
124212242212421 has 24 divisors (see below), whose sum is σ = 137886190801632. Its totient is φ = 111799288172000.
The previous prime is 124212242212327. The next prime is 124212242212483.
124212242212421 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 124212242212421 - 234 = 124195062343237 is a prime.
It is a super-2 number, since 2×1242122422124212 (a number of 29 digits) 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 (124212242212021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 569915150 + ... + 570133056.
It is an arithmetic number, because the mean of its divisors is an integer number (5745257950068).
Almost surely, 2124212242212421 is an apocalyptic number.
124212242212421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
124212242212421 is a deficient number, since it is larger than the sum of its proper divisors (13673948589211).
124212242212421 is a wasteful number, since it uses less digits than its factorization.
124212242212421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 264673 (or 264662 counting only the distinct ones).
The product of its digits is 16384, while the sum is 32.
The spelling of 124212242212421 in words is "one hundred twenty-four trillion, two hundred twelve billion, two hundred forty-two million, two hundred twelve thousand, four hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •