Base | Representation |
---|---|
bin | 10011011000011010110001… |
… | …01011100111001101000100 |
3 | 12120220110211022201111020000 |
4 | 21230031120223213031010 |
5 | 21041243134231242423 |
6 | 230351321425441300 |
7 | 11656140304116210 |
oct | 1154153053471504 |
9 | 176813738644200 |
10 | 42620448305988 |
11 | 12642259a57393 |
12 | 4944165aa0230 |
13 | 1aa2124cb9877 |
14 | a74baac71940 |
15 | 4dd9c7d39843 |
hex | 26c358ae7344 |
42620448305988 has 60 divisors (see below), whose sum is σ = 127335166550592. Its totient is φ = 12177270943920.
The previous prime is 42620448305983. The next prime is 42620448306077. The reversal of 42620448305988 is 88950384402624.
42620448305988 is a `hidden beast` number, since 4 + 2 + 6 + 2 + 0 + 4 + 4 + 8 + 30 + 598 + 8 = 666.
It is a super-2 number, since 2×426204483059882 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is not an unprimeable number, because it can be changed into a prime (42620448305983) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9396040128 + ... + 9396044663.
Almost surely, 242620448305988 is an apocalyptic number.
It is an amenable number.
42620448305988 is an abundant number, since it is smaller than the sum of its proper divisors (84714718244604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42620448305988 is a wasteful number, since it uses less digits than its factorization.
42620448305988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18792084814 (or 18792084803 counting only the distinct ones).
The product of its (nonzero) digits is 106168320, while the sum is 63.
The spelling of 42620448305988 in words is "forty-two trillion, six hundred twenty billion, four hundred forty-eight million, three hundred five thousand, nine hundred eighty-eight".
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