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9936180149 = 71419454307
BaseRepresentation
bin10010100000011111…
…00001001110110101
3221122110200020202012
421100033201032311
5130322130231044
64321542454005
7501141065150
oct112017411665
927573606665
109936180149
114239795235
121b13734305
13c2470394c
146a38acc97
153d24a359e
hex2503e13b5

9936180149 has 4 divisors (see below), whose sum is σ = 11355634464. Its totient is φ = 8516725836.

The previous prime is 9936180143. The next prime is 9936180203. The reversal of 9936180149 is 9410816399.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9410816399 = 21661434459.

It is a cyclic number.

It is not a de Polignac number, because 9936180149 - 212 = 9936176053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9936180097 and 9936180106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9936180143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709727147 + ... + 709727160.

It is an arithmetic number, because the mean of its divisors is an integer number (2838908616).

Almost surely, 29936180149 is an apocalyptic number.

It is an amenable number.

9936180149 is a deficient number, since it is larger than the sum of its proper divisors (1419454315).

9936180149 is a wasteful number, since it uses less digits than its factorization.

9936180149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419454314.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 9936180149 is about 99680.3899922146. The cubic root of 9936180149 is about 2149.8417153348.

The spelling of 9936180149 in words is "nine billion, nine hundred thirty-six million, one hundred eighty thousand, one hundred forty-nine".

Divisors: 1 7 1419454307 9936180149