Base | Representation |
---|---|
bin | 100111001000100000… |
… | …100110000110110000 |
3 | 11000110100120210110100 |
4 | 213020200212012300 |
5 | 1142023241143202 |
6 | 31145250232400 |
7 | 3015156000513 |
oct | 471040460660 |
9 | 130410523410 |
10 | 42018693552 |
11 | 16902503420 |
12 | 8187b85700 |
13 | 3c683734a4 |
14 | 2068730d7a |
15 | 115dd3d41c |
hex | 9c88261b0 |
42018693552 has 120 divisors (see below), whose sum is σ = 135830569680. Its totient is φ = 11983933440.
The previous prime is 42018693547. The next prime is 42018693557. The reversal of 42018693552 is 25539681024.
42018693552 is a `hidden beast` number, since 4 + 2 + 0 + 1 + 8 + 6 + 93 + 552 = 666.
It is an interprime number because it is at equal distance from previous prime (42018693547) and next prime (42018693557).
It is a junction number, because it is equal to n+sod(n) for n = 42018693498 and 42018693507.
It is not an unprimeable number, because it can be changed into a prime (42018693557) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 753277 + ... + 807132.
It is an arithmetic number, because the mean of its divisors is an integer number (1131921414).
Almost surely, 242018693552 is an apocalyptic number.
It is an amenable number.
42018693552 is an abundant number, since it is smaller than the sum of its proper divisors (93811876128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42018693552 is a wasteful number, since it uses less digits than its factorization.
42018693552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1560451 (or 1560442 counting only the distinct ones).
The product of its (nonzero) digits is 518400, while the sum is 45.
The spelling of 42018693552 in words is "forty-two billion, eighteen million, six hundred ninety-three thousand, five hundred fifty-two".
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