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149941578313 = 613244602901
BaseRepresentation
bin1000101110100100110…
…1101110101001001001
3112100000200112101101101
42023221031232221021
54424040021001223
6152514320221401
713555456246432
oct2135115565111
9470020471341
10149941578313
115865412606a
122508716a861
13111a7435a07
147385b04489
153d788de4ad
hex22e936ea49

149941578313 has 4 divisors (see below), whose sum is σ = 150186181828. Its totient is φ = 149696974800.

The previous prime is 149941578253. The next prime is 149941578341. The reversal of 149941578313 is 313875149941.

149941578313 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 28026777744 + 121914800569 = 167412^2 + 349163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-149941578313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149941576313) 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, 122300838 + ... + 122302063.

It is an arithmetic number, because the mean of its divisors is an integer number (37546545457).

Almost surely, 2149941578313 is an apocalyptic number.

It is an amenable number.

149941578313 is a deficient number, since it is larger than the sum of its proper divisors (244603515).

149941578313 is an equidigital number, since it uses as much as digits as its factorization.

149941578313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244603514.

The product of its digits is 3265920, while the sum is 55.

The spelling of 149941578313 in words is "one hundred forty-nine billion, nine hundred forty-one million, five hundred seventy-eight thousand, three hundred thirteen".

Divisors: 1 613 244602901 149941578313