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13549092212 = 223739081161
BaseRepresentation
bin11001001111001011…
…01011110101110100
31021222021000012101002
430213211223311310
5210222031422322
610120244022432
7656521245365
oct144745536564
937867005332
1013549092212
115823122577
122761691a18
13137c084c36
1492765db6c
15544765c92
hex32796bd74

13549092212 has 12 divisors (see below), whose sum is σ = 23774482116. Its totient is φ = 6756383040.

The previous prime is 13549092187. The next prime is 13549092217. The reversal of 13549092212 is 21229094531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5625600016 + 7923492196 = 75004^2 + 89014^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13549092217) 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, 4539089 + ... + 4542072.

It is an arithmetic number, because the mean of its divisors is an integer number (1981206843).

Almost surely, 213549092212 is an apocalyptic number.

It is an amenable number.

13549092212 is a deficient number, since it is larger than the sum of its proper divisors (10225389904).

13549092212 is a wasteful number, since it uses less digits than its factorization.

13549092212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9081538 (or 9081536 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 13549092212 in words is "thirteen billion, five hundred forty-nine million, ninety-two thousand, two hundred twelve".

Divisors: 1 2 4 373 746 1492 9081161 18162322 36324644 3387273053 6774546106 13549092212