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12121044506313 = 333131219543667
BaseRepresentation
bin1011000001100010011010…
…0011010101011011001001
31120220202112102200010120220
42300120212203111123021
53042042344343200223
641440155253540253
72360500532232561
oct260304643253311
946822472603526
1012121044506313
1139535626a0a86
121439181344689
1369c0180c7b12
142dc939939da1
151604699496e3
hexb06268d56c9

12121044506313 has 8 divisors (see below), whose sum is σ = 16166270863008. Its totient is φ = 8078257243584.

The previous prime is 12121044506287. The next prime is 12121044506393. The reversal of 12121044506313 is 31360544012121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12121044506313 - 216 = 12121044440777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12121044506393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609761895 + ... + 609781772.

It is an arithmetic number, because the mean of its divisors is an integer number (2020783857876).

Almost surely, 212121044506313 is an apocalyptic number.

It is an amenable number.

12121044506313 is a deficient number, since it is larger than the sum of its proper divisors (4045226356695).

12121044506313 is a wasteful number, since it uses less digits than its factorization.

12121044506313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219546983.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 12121044506313 its reverse (31360544012121), we get a palindrome (43481588518434).

The spelling of 12121044506313 in words is "twelve trillion, one hundred twenty-one billion, forty-four million, five hundred six thousand, three hundred thirteen".

Divisors: 1 3 3313 9939 1219543667 3658631001 4040348168771 12121044506313