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149704305089 = 151991419239
BaseRepresentation
bin1000101101101100010…
…0100110100111000001
3112022102011001122201012
42023123010212213001
54423043300230324
6152435002450305
713546545411653
oct2133304464701
9468364048635
10149704305089
11585421a5199
122501b803995
131116a22b061
1473623bc6d3
153d62b7120e
hex22db1269c1

149704305089 has 4 divisors (see below), whose sum is σ = 150695724480. Its totient is φ = 148712885700.

The previous prime is 149704305083. The next prime is 149704305097. The reversal of 149704305089 is 980503407941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149704305089 - 220 = 149703256513 is a prime.

It is a super-2 number, since 2×1497043050892 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149704305083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495709469 + ... + 495709770.

It is an arithmetic number, because the mean of its divisors is an integer number (37673931120).

Almost surely, 2149704305089 is an apocalyptic number.

It is an amenable number.

149704305089 is a deficient number, since it is larger than the sum of its proper divisors (991419391).

149704305089 is an equidigital number, since it uses as much as digits as its factorization.

149704305089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991419390.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 149704305089 in words is "one hundred forty-nine billion, seven hundred four million, three hundred five thousand, eighty-nine".

Divisors: 1 151 991419239 149704305089