Base | Representation |
---|---|
bin | 1001000001011010111… |
… | …0000101000111101110 |
3 | 112211002012211212211000 |
4 | 2100112232011013232 |
5 | 10014420000013011 |
6 | 155112255541130 |
7 | 14125021161444 |
oct | 2202656050756 |
9 | 484065755730 |
10 | 155000001006 |
11 | 5a80a506994 |
12 | 2605922a7a6 |
13 | 1180240b636 |
14 | 7705852b94 |
15 | 4072a36356 |
hex | 2416b851ee |
155000001006 has 32 divisors (see below), whose sum is σ = 364705886880. Its totient is φ = 48627451008.
The previous prime is 155000000983. The next prime is 155000001007. The reversal of 155000001006 is 600100000551.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a self number, because there is not a number n which added to its sum of digits gives 155000001006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155000001007) 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, 84421741 + ... + 84423576.
It is an arithmetic number, because the mean of its divisors is an integer number (11397058965).
Almost surely, 2155000001006 is an apocalyptic number.
155000001006 is an abundant number, since it is smaller than the sum of its proper divisors (209705885874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155000001006 is a wasteful number, since it uses less digits than its factorization.
155000001006 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168845345 (or 168845339 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 18.
Adding to 155000001006 its reverse (600100000551), we get a palindrome (755100001557).
The spelling of 155000001006 in words is "one hundred fifty-five billion, one thousand, six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •