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13751121122 = 228322932
BaseRepresentation
bin11001100111010000…
…10111010011100010
31022111100011022221022
430303220113103202
5211130241333442
610152302125442
7664523413064
oct146350272342
938440138838
1013751121122
115917170912
1227b9280882
1313b1b9c87b
1494640d734
155573713d2
hex333a174e2

13751121122 has 18 divisors (see below), whose sum is σ = 20770714017. Its totient is φ = 6827882136.

The previous prime is 13751121121. The next prime is 13751121133. The reversal of 13751121122 is 22112115731.

It is a happy number.

13751121122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9979810201 + 3771310921 = 99899^2 + 61411^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=82919.

It is a super-2 number, since 2×137511211222 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13751121091 and 13751121100.

It is not an unprimeable number, because it can be changed into a prime (13751121121) 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 8 ways as a sum of consecutive naturals, for example, 46932008 + ... + 46932300.

Almost surely, 213751121122 is an apocalyptic number.

13751121122 is a deficient number, since it is larger than the sum of its proper divisors (7019592895).

13751121122 is an frugal number, since it uses more digits than its factorization.

13751121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 578 counting only the distinct ones).

The product of its digits is 840, while the sum is 26.

Adding to 13751121122 its reverse (22112115731), we get a palindrome (35863236853).

The spelling of 13751121122 in words is "thirteen billion, seven hundred fifty-one million, one hundred twenty-one thousand, one hundred twenty-two".

Divisors: 1 2 283 293 566 586 80089 82919 85849 160178 165838 171698 23466077 24295267 46932154 48590534 6875560561 13751121122