Base | Representation |
---|---|
bin | 100111010000111110… |
… | …011001100000010110 |
3 | 11000211020211200120221 |
4 | 213100332121200112 |
5 | 1142321121131430 |
6 | 31211322344554 |
7 | 3021532145440 |
oct | 472076314026 |
9 | 130736750527 |
10 | 42160723990 |
11 | 169756a1a50 |
12 | 820765b15a |
13 | 3c8b911a78 |
14 | 207d543490 |
15 | 116b54657a |
hex | 9d0f99816 |
42160723990 has 64 divisors (see below), whose sum is σ = 95755322880. Its totient is φ = 12982659840.
The previous prime is 42160723973. The next prime is 42160724003. The reversal of 42160723990 is 9932706124.
It is a congruent number.
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, 265935 + ... + 393754.
It is an arithmetic number, because the mean of its divisors is an integer number (1496176920).
Almost surely, 242160723990 is an apocalyptic number.
42160723990 is an abundant number, since it is smaller than the sum of its proper divisors (53594598890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42160723990 is a wasteful number, since it uses less digits than its factorization.
42160723990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 659797.
The product of its (nonzero) digits is 163296, while the sum is 43.
The spelling of 42160723990 in words is "forty-two billion, one hundred sixty million, seven hundred twenty-three thousand, nine hundred ninety".
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