Base | Representation |
---|---|
bin | 101000000010010100… |
… | …100111011000010010 |
3 | 11002221221200202021122 |
4 | 220002110213120102 |
5 | 1201020042202240 |
6 | 31425415322242 |
7 | 3051204224243 |
oct | 500224473022 |
9 | 132857622248 |
10 | 42988631570 |
11 | 1725aa64195 |
12 | 83b8980382 |
13 | 40912b6401 |
14 | 211b494cca |
15 | 11b90824b5 |
hex | a02527612 |
42988631570 has 16 divisors (see below), whose sum is σ = 77572510488. Its totient is φ = 17152569600.
The previous prime is 42988631537. The next prime is 42988631573. The reversal of 42988631570 is 7513688924.
It is a Cunningham number, because it is equal to 2073372+1.
It can be written as a sum of positive squares in 4 ways, for example, as 42988631569 + 1 = 207337^2 + 1^2 .
It is a super-2 number, since 2×429886315702 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (42988631573) 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 7 ways as a sum of consecutive naturals, for example, 5356169 + ... + 5364188.
It is a 2-persistent number, because it is pandigital, and so is 2⋅42988631570 = 85977263140, but 3⋅42988631570 = 128965894710 is not.
Almost surely, 242988631570 is an apocalyptic number.
42988631570 is a deficient number, since it is larger than the sum of its proper divisors (34583878918).
42988631570 is a wasteful number, since it uses less digits than its factorization.
42988631570 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10720765.
The product of its (nonzero) digits is 2903040, while the sum is 53.
The spelling of 42988631570 in words is "forty-two billion, nine hundred eighty-eight million, six hundred thirty-one thousand, five hundred seventy".
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