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133230252620 = 22542379157189
BaseRepresentation
bin111110000010100100…
…1000101001001001100
3110201220001020002011202
41330011021011021030
54140323421040440
6141112150405032
712424366314323
oct1740511051114
9421801202152
10133230252620
11515590057a3
12219a2660778
13c7431a630a
14663c4cb0ba
1536eb73a615
hex1f0524524c

133230252620 has 24 divisors (see below), whose sum is σ = 279791912400. Its totient is φ = 53290504512.

The previous prime is 133230252613. The next prime is 133230252691. The reversal of 133230252620 is 26252032331.

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, 768986 + ... + 926174.

It is an arithmetic number, because the mean of its divisors is an integer number (11657996350).

Almost surely, 2133230252620 is an apocalyptic number.

133230252620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133230252620 is an abundant number, since it is smaller than the sum of its proper divisors (146561659780).

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

133230252620 is a wasteful number, since it uses less digits than its factorization.

133230252620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199577 (or 199575 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 133230252620 its reverse (26252032331), we get a palindrome (159482284951).

The spelling of 133230252620 in words is "one hundred thirty-three billion, two hundred thirty million, two hundred fifty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 42379 84758 157189 169516 211895 314378 423790 628756 785945 847580 1571890 3143780 6661512631 13323025262 26646050524 33307563155 66615126310 133230252620