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33130310121 = 331227048523
BaseRepresentation
bin11110110110101110…
…000110100111101001
310011111220112010121000
4132312232012213221
51020322324410441
623115253305213
72251666663266
oct366656064751
9104456463530
1033130310121
1113061218397
126507335209
13317ca732cc
14186409226d
15cdd85d2b6
hex7b6b869e9

33130310121 has 8 divisors (see below), whose sum is σ = 49081940960. Its totient is φ = 22086873396.

The previous prime is 33130310117. The next prime is 33130310131. The reversal of 33130310121 is 12101303133.

It is a happy number.

33130310121 is a `hidden beast` number, since 331 + 3 + 0 + 310 + 1 + 21 = 666.

It is not a de Polignac number, because 33130310121 - 22 = 33130310117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33130310094 and 33130310103.

It is not an unprimeable number, because it can be changed into a prime (33130310131) 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, 613524235 + ... + 613524288.

It is an arithmetic number, because the mean of its divisors is an integer number (6135242620).

Almost surely, 233130310121 is an apocalyptic number.

It is an amenable number.

33130310121 is a deficient number, since it is larger than the sum of its proper divisors (15951630839).

33130310121 is a wasteful number, since it uses less digits than its factorization.

33130310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227048532 (or 1227048526 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 33130310121 its reverse (12101303133), we get a palindrome (45231613254).

The spelling of 33130310121 in words is "thirty-three billion, one hundred thirty million, three hundred ten thousand, one hundred twenty-one".

Divisors: 1 3 9 27 1227048523 3681145569 11043436707 33130310121