Base | Representation |
---|---|
bin | 10111001000101111… |
… | …01101111000001110 |
3 | 1012001122222022120212 |
4 | 23210113231320032 |
5 | 200414331411240 |
6 | 5412320442422 |
7 | 616545536003 |
oct | 134427557016 |
9 | 35048868525 |
10 | 12421357070 |
11 | 52a4594461 |
12 | 24a7a79412 |
13 | 122c543135 |
14 | 85b9818aa |
15 | 4ca752165 |
hex | 2e45ede0e |
12421357070 has 8 divisors (see below), whose sum is σ = 22358442744. Its totient is φ = 4968542824.
The previous prime is 12421357009. The next prime is 12421357073. The reversal of 12421357070 is 7075312421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×124213570702 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12421357073) 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 3 ways as a sum of consecutive naturals, for example, 621067844 + ... + 621067863.
It is an arithmetic number, because the mean of its divisors is an integer number (2794805343).
Almost surely, 212421357070 is an apocalyptic number.
12421357070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12421357070 is a deficient number, since it is larger than the sum of its proper divisors (9937085674).
12421357070 is a wasteful number, since it uses less digits than its factorization.
12421357070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1242135714.
The product of its (nonzero) digits is 11760, while the sum is 32.
Adding to 12421357070 its reverse (7075312421), we get a palindrome (19496669491).
The spelling of 12421357070 in words is "twelve billion, four hundred twenty-one million, three hundred fifty-seven thousand, seventy".
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