Search a number
-
+
149898413789 = 434617561843
BaseRepresentation
bin1000101110011010100…
…1000100011011011101
3112022220200022101210022
42023212221010123131
54423442443220124
6152510135121525
713554423331355
oct2134651043335
9468820271708
10149898413789
1158631823a03
12250748132a5
131119b501987
1473800a9b65
153d74c14c5e
hex22e6a446dd

149898413789 has 8 divisors (see below), whose sum is σ = 153717164832. Its totient is φ = 146094787440.

The previous prime is 149898413761. The next prime is 149898413887. The reversal of 149898413789 is 987314898941.

149898413789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 149898413789 - 216 = 149898348253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149898413089) 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, 3761099 + ... + 3800744.

It is an arithmetic number, because the mean of its divisors is an integer number (19214645604).

Almost surely, 2149898413789 is an apocalyptic number.

It is an amenable number.

149898413789 is a deficient number, since it is larger than the sum of its proper divisors (3818751043).

149898413789 is an equidigital number, since it uses as much as digits as its factorization.

149898413789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562347.

The product of its digits is 125411328, while the sum is 71.

The spelling of 149898413789 in words is "one hundred forty-nine billion, eight hundred ninety-eight million, four hundred thirteen thousand, seven hundred eighty-nine".

Divisors: 1 43 461 19823 7561843 325159249 3486009623 149898413789