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133113030121220 = 22510364617975787
BaseRepresentation
bin11110010001000011001010…
…111000000001011100000100
3122110022110222221101122110212
4132101003022320001130010
5114421410441202334340
61151035140513134552
740016045656143632
oct3621031270013404
9573273887348425
10133113030121220
1139460a12287a26
1212b1a24455a458
1359376742b1706
1424c29c2882352
15105c896e28a65
hex7910cae01704

133113030121220 has 24 divisors (see below), whose sum is σ = 282251318241984. Its totient is φ = 52728268241376.

The previous prime is 133113030121087. The next prime is 133113030121369. The reversal of 133113030121220 is 22121030311331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32308985834 + ... + 32308989953.

It is an arithmetic number, because the mean of its divisors is an integer number (11760471593416).

Almost surely, 2133113030121220 is an apocalyptic number.

133113030121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133113030121220 is an abundant number, since it is smaller than the sum of its proper divisors (149138288120764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133113030121220 is a wasteful number, since it uses less digits than its factorization.

133113030121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64617975899 (or 64617975897 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 133113030121220 its reverse (22121030311331), we get a palindrome (155234060432551).

The spelling of 133113030121220 in words is "one hundred thirty-three trillion, one hundred thirteen billion, thirty million, one hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 64617975787 129235951574 258471903148 323089878935 646179757870 1292359515740 6655651506061 13311303012122 26622606024244 33278257530305 66556515060610 133113030121220