Base | Representation |
---|---|
bin | 100111100001011111… |
… | …011010101100010001 |
3 | 11001112120020101002001 |
4 | 213201133122230101 |
5 | 1143403040040212 |
6 | 31255021354001 |
7 | 3031435322221 |
oct | 474137325421 |
9 | 131476211061 |
10 | 42437815057 |
11 | 16aa8049630 |
12 | 8284408901 |
13 | 400414b391 |
14 | 20a8272081 |
15 | 1185a2c657 |
hex | 9e17dab11 |
42437815057 has 16 divisors (see below), whose sum is σ = 48135384000. Its totient is φ = 37060354240.
The previous prime is 42437814953. The next prime is 42437815081. The reversal of 42437815057 is 75051873424.
It is a cyclic number.
It is not a de Polignac number, because 42437815057 - 27 = 42437814929 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 42437814998 and 42437815016.
It is not an unprimeable number, because it can be changed into a prime (42437813057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274807 + ... + 400492.
It is an arithmetic number, because the mean of its divisors is an integer number (3008461500).
Almost surely, 242437815057 is an apocalyptic number.
It is an amenable number.
42437815057 is a deficient number, since it is larger than the sum of its proper divisors (5697568943).
42437815057 is a wasteful number, since it uses less digits than its factorization.
42437815057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 675536.
The product of its (nonzero) digits is 940800, while the sum is 46.
The spelling of 42437815057 in words is "forty-two billion, four hundred thirty-seven million, eight hundred fifteen thousand, fifty-seven".
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