Base | Representation |
---|---|
bin | 1001000001101110110… |
… | …1100001001100000011 |
3 | 112211022001102020222210 |
4 | 2100123231201030003 |
5 | 10020102414134112 |
6 | 155124450433203 |
7 | 14130056016255 |
oct | 2203355411403 |
9 | 484261366883 |
10 | 155083739907 |
11 | 5a852801198 |
12 | 26081292803 |
13 | 1181687a795 |
14 | 7712a0dcd5 |
15 | 407a077b3c |
hex | 241bb61303 |
155083739907 has 16 divisors (see below), whose sum is σ = 207185242880. Its totient is φ = 103185856800.
The previous prime is 155083739891. The next prime is 155083739911. The reversal of 155083739907 is 709937380551.
It is not a de Polignac number, because 155083739907 - 24 = 155083739891 is a prime.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (155083739507) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4187682 + ... + 4224552.
It is an arithmetic number, because the mean of its divisors is an integer number (12949077680).
Almost surely, 2155083739907 is an apocalyptic number.
155083739907 is a deficient number, since it is larger than the sum of its proper divisors (52101502973).
155083739907 is a wasteful number, since it uses less digits than its factorization.
155083739907 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39594.
The product of its (nonzero) digits is 7144200, while the sum is 57.
The spelling of 155083739907 in words is "one hundred fifty-five billion, eighty-three million, seven hundred thirty-nine thousand, nine hundred seven".
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