Search a number
-
+
149759238829 = 612455069489
BaseRepresentation
bin1000101101111001011…
…0001010001010101101
3112022112222102120122011
42023132112022022231
54423201331120304
6152444244121221
713551113345434
oct2133626121255
9468488376564
10149759238829
1158570205782
1225036096211
1311178723025
1473697dc11b
153d678c2c04
hex22de58a2ad

149759238829 has 4 divisors (see below), whose sum is σ = 152214308380. Its totient is φ = 147304169280.

The previous prime is 149759238817. The next prime is 149759238899. The reversal of 149759238829 is 928832957941.

149759238829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70179957225 + 79579281604 = 264915^2 + 282098^2 .

It is a cyclic number.

It is not a de Polignac number, because 149759238829 - 27 = 149759238701 is a prime.

It is a super-2 number, since 2×1497592388292 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149759238899) 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 3 ways as a sum of consecutive naturals, for example, 1227534684 + ... + 1227534805.

It is an arithmetic number, because the mean of its divisors is an integer number (38053577095).

Almost surely, 2149759238829 is an apocalyptic number.

It is an amenable number.

149759238829 is a deficient number, since it is larger than the sum of its proper divisors (2455069551).

149759238829 is an equidigital number, since it uses as much as digits as its factorization.

149759238829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455069550.

The product of its digits is 78382080, while the sum is 67.

The spelling of 149759238829 in words is "one hundred forty-nine billion, seven hundred fifty-nine million, two hundred thirty-eight thousand, eight hundred twenty-nine".

Divisors: 1 61 2455069489 149759238829