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133301402220 = 223572239720323
BaseRepresentation
bin111110000100101100…
…0011111101001101100
3110202002000002212002010
41330021120133221230
54141000124332340
6141123211401220
712426222136500
oct1741130375154
9422060085063
10133301402220
1151595191518
1221a02453210
13c754b5817c
146647b2c300
153702ae1b80
hex1f0961fa6c

133301402220 has 288 divisors, whose sum is σ = 457752411648. Its totient is φ = 28842283008.

The previous prime is 133301402207. The next prime is 133301402279. The reversal of 133301402220 is 22204103331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6548979 + ... + 6569301.

It is an arithmetic number, because the mean of its divisors is an integer number (1589418096).

Almost surely, 2133301402220 is an apocalyptic number.

133301402220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133301402220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228876205824).

133301402220 is an abundant number, since it is smaller than the sum of its proper divisors (324451009428).

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

133301402220 is a wasteful number, since it uses less digits than its factorization.

133301402220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20469 (or 20460 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 133301402220 its reverse (22204103331), we get a palindrome (155505505551).

The spelling of 133301402220 in words is "one hundred thirty-three billion, three hundred one million, four hundred two thousand, two hundred twenty".