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13133212131121 = 47821615155333
BaseRepresentation
bin1011111100011101000001…
…1100011001111100110001
31201111112010010121221102121
42333013100130121330301
53210133304301143441
643533151522514241
72523562145132455
oct277072034317461
951445103557377
1013133212131121
114203844958545
12158137a205981
137435c2188344
14335917d56665
1517b9594e2dd1
hexbf1d0719f31

13133212131121 has 16 divisors (see below), whose sum is σ = 13431405086208. Its totient is φ = 12835806696000.

The previous prime is 13133212131089. The next prime is 13133212131167. The reversal of 13133212131121 is 12113121233131.

It is a cyclic number.

It is not a de Polignac number, because 13133212131121 - 25 = 13133212131089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13133212131191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237320971 + ... + 237376303.

It is an arithmetic number, because the mean of its divisors is an integer number (839462817888).

Almost surely, 213133212131121 is an apocalyptic number.

It is an amenable number.

13133212131121 is a deficient number, since it is larger than the sum of its proper divisors (298192955087).

13133212131121 is an equidigital number, since it uses as much as digits as its factorization.

13133212131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62352.

The product of its digits is 648, while the sum is 25.

Adding to 13133212131121 its reverse (12113121233131), we get a palindrome (25246333364252).

The spelling of 13133212131121 in words is "thirteen trillion, one hundred thirty-three billion, two hundred twelve million, one hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 47 821 6151 38587 55333 289097 2600651 5049971 45428393 237348637 340353283 2135134471 15996604301 279430045343 13133212131121