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33220130132 = 2272351584053
BaseRepresentation
bin11110111100000100…
…101111010101010100
310011202011112110111002
4132330010233111110
51021013323131012
623132222402432
72254140306230
oct367404572524
9104664473432
1033220130132
11130a7996502
126531430418
133195561347
141871d935c0
15ce66a17c2
hex7bc12f554

33220130132 has 24 divisors (see below), whose sum is σ = 69328968576. Its totient is φ = 13618189728.

The previous prime is 33220130129. The next prime is 33220130143. The reversal of 33220130132 is 23103102233.

It is a super-2 number, since 2×332201301322 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25791383 + ... + 25792670.

It is an arithmetic number, because the mean of its divisors is an integer number (2888707024).

Almost surely, 233220130132 is an apocalyptic number.

It is an amenable number.

33220130132 is an abundant number, since it is smaller than the sum of its proper divisors (36108838444).

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

33220130132 is a wasteful number, since it uses less digits than its factorization.

33220130132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51584087 (or 51584085 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33220130132 its reverse (23103102233), we get a palindrome (56323232365).

The spelling of 33220130132 in words is "thirty-three billion, two hundred twenty million, one hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 51584053 103168106 206336212 361088371 722176742 1186433219 1444353484 2372866438 4745732876 8305032533 16610065066 33220130132