Base | Representation |
---|---|
bin | 100011001111100111001100… |
… | …111000001111010001000111 |
3 | 202022211021201221210022010121 |
4 | 203033213030320033101013 |
5 | 130304043220040240012 |
6 | 1305400031221202411 |
7 | 44435464210213240 |
oct | 4317471470172107 |
9 | 668737657708117 |
10 | 155004512040007 |
11 | 454310540a6203 |
12 | 15474ab5560407 |
13 | 6864b2a660c26 |
14 | 2a3c389123cc7 |
15 | 12dc052d1ba07 |
hex | 8cf9cce0f447 |
155004512040007 has 8 divisors (see below), whose sum is σ = 177176599901856. Its totient is φ = 132839570713632.
The previous prime is 155004512039957. The next prime is 155004512040109. The reversal of 155004512040007 is 700040215400551.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 155004512040007 - 243 = 146208419017799 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155004512040907) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1786587388 + ... + 1786674145.
It is an arithmetic number, because the mean of its divisors is an integer number (22147074987732).
Almost surely, 2155004512040007 is an apocalyptic number.
155004512040007 is a deficient number, since it is larger than the sum of its proper divisors (22172087861849).
155004512040007 is an equidigital number, since it uses as much as digits as its factorization.
155004512040007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3573267737.
The product of its (nonzero) digits is 28000, while the sum is 34.
Adding to 155004512040007 its reverse (700040215400551), we get a palindrome (855044727440558).
The spelling of 155004512040007 in words is "one hundred fifty-five trillion, four billion, five hundred twelve million, forty thousand, seven".
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