Base | Representation |
---|---|
bin | 1001000001011101010… |
… | …0110001101111011010 |
3 | 112211002220221021002110 |
4 | 2100113110301233122 |
5 | 10014430044121432 |
6 | 155113301213150 |
7 | 14125203331461 |
oct | 2202724615732 |
9 | 484086837073 |
10 | 155010145242 |
11 | 5a815205457 |
12 | 260607011b6 |
13 | 11804550a44 |
14 | 7706d339d8 |
15 | 407388bdcc |
hex | 2417531bda |
155010145242 has 16 divisors (see below), whose sum is σ = 315102591072. Its totient is φ = 50822998320.
The previous prime is 155010145211. The next prime is 155010145247. The reversal of 155010145242 is 242541010551.
155010145242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (155010145247) 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 7 ways as a sum of consecutive naturals, for example, 211762128 + ... + 211762859.
It is an arithmetic number, because the mean of its divisors is an integer number (19693911942).
Almost surely, 2155010145242 is an apocalyptic number.
155010145242 is an abundant number, since it is smaller than the sum of its proper divisors (160092445830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155010145242 is a wasteful number, since it uses less digits than its factorization.
155010145242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 423525053.
The product of its (nonzero) digits is 8000, while the sum is 30.
Adding to 155010145242 its reverse (242541010551), we get a palindrome (397551155793).
The spelling of 155010145242 in words is "one hundred fifty-five billion, ten million, one hundred forty-five thousand, two hundred forty-two".
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