Base | Representation |
---|---|
bin | 100111111101110001… |
… | …000010010110010000 |
3 | 11002202121212102101000 |
4 | 213331301002112100 |
5 | 1200341010232414 |
6 | 31414045142000 |
7 | 3046255435050 |
oct | 477561022620 |
9 | 132677772330 |
10 | 42912195984 |
11 | 172208a7a89 |
12 | 839725a900 |
13 | 407b503558 |
14 | 2111279560 |
15 | 11b24d4b09 |
hex | 9fdc42590 |
42912195984 has 160 divisors (see below), whose sum is σ = 145624608000. Its totient is φ = 11837822976.
The previous prime is 42912195967. The next prime is 42912196057. The reversal of 42912195984 is 48959121924.
42912195984 is a `hidden beast` number, since 4 + 29 + 1 + 21 + 9 + 598 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 42912195984.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156969 + ... + 332360.
It is an arithmetic number, because the mean of its divisors is an integer number (910153800).
Almost surely, 242912195984 is an apocalyptic number.
It is an amenable number.
42912195984 is an abundant number, since it is smaller than the sum of its proper divisors (102712412016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42912195984 is a wasteful number, since it uses less digits than its factorization.
42912195984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 489382 (or 489370 counting only the distinct ones).
The product of its digits is 1866240, while the sum is 54.
The spelling of 42912195984 in words is "forty-two billion, nine hundred twelve million, one hundred ninety-five thousand, nine hundred eighty-four".
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