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133010320020 = 22357703287789
BaseRepresentation
bin111101111100000001…
…0000110101010010100
3110201022201101100100220
41323320002012222110
54134401120220040
6141034252434340
712416056031364
oct1737002065224
9421281340326
10133010320020
1151455949116
1221940a789b0
13c709760496
14661b1da9a4
1536d72952d0
hex1ef8086a94

133010320020 has 48 divisors (see below), whose sum is σ = 372478538880. Its totient is φ = 35464690816.

The previous prime is 133010319941. The next prime is 133010320043. The reversal of 133010320020 is 20023010331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318286 + ... + 606074.

It is an arithmetic number, because the mean of its divisors is an integer number (7759969560).

Almost surely, 2133010320020 is an apocalyptic number.

133010320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133010320020 is an abundant number, since it is smaller than the sum of its proper divisors (239468218860).

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

133010320020 is a wasteful number, since it uses less digits than its factorization.

133010320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295504 (or 295502 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 133010320020 its reverse (20023010331), we get a palindrome (153033330351).

The spelling of 133010320020 in words is "one hundred thirty-three billion, ten million, three hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 7703 15406 23109 30812 38515 46218 77030 92436 115545 154060 231090 287789 462180 575578 863367 1151156 1438945 1726734 2877890 3453468 4316835 5755780 8633670 17267340 2216838667 4433677334 6650516001 8867354668 11084193335 13301032002 22168386670 26602064004 33252580005 44336773340 66505160010 133010320020