Base | Representation |
---|---|
bin | 100100000110101100100… |
… | …000010101110101010101 |
3 | 22210012010110002201021020 |
4 | 210012230200111311111 |
5 | 311122233103221411 |
6 | 5135444103311353 |
7 | 344152505326533 |
oct | 44065440256525 |
9 | 8705113081236 |
10 | 2481090288981 |
11 | 877251871537 |
12 | 340a2814b559 |
13 | 14cc72b68015 |
14 | 8812a51d153 |
15 | 4481395d606 |
hex | 241ac815d55 |
2481090288981 has 8 divisors (see below), whose sum is σ = 3357495316704. Its totient is φ = 1629372726960.
The previous prime is 2481090288973. The next prime is 2481090288991. The reversal of 2481090288981 is 1898820901842.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2481090288981 - 23 = 2481090288973 is a prime.
It is a super-2 number, since 2×24810902889812 (a number of 26 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2481090288991) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6171866190 + ... + 6171866591.
It is an arithmetic number, because the mean of its divisors is an integer number (419686914588).
Almost surely, 22481090288981 is an apocalyptic number.
It is an amenable number.
2481090288981 is a deficient number, since it is larger than the sum of its proper divisors (876405027723).
2481090288981 is a wasteful number, since it uses less digits than its factorization.
2481090288981 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12343732851.
The product of its (nonzero) digits is 5308416, while the sum is 60.
The spelling of 2481090288981 in words is "two trillion, four hundred eighty-one billion, ninety million, two hundred eighty-eight thousand, nine hundred eighty-one".
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