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133031155224 = 2331117211711489
BaseRepresentation
bin111101111100101000…
…1100101011000011000
3110201101011120212220010
41323321101211120120
54134421433431344
6141040315201520
712416431106412
oct1737121453030
9421334525803
10133031155224
11514666899a0
1221947a462a0
13c710b76ac6
14661dca19b2
1536d900d8b9
hex1ef9465618

133031155224 has 192 divisors, whose sum is σ = 385997731200. Its totient is φ = 37883289600.

The previous prime is 133031155223. The next prime is 133031155247. The reversal of 133031155224 is 422551130331.

It is a junction number, because it is equal to n+sod(n) for n = 133031155191 and 133031155200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133031155223) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 89341872 + ... + 89343360.

It is an arithmetic number, because the mean of its divisors is an integer number (2010404850).

Almost surely, 2133031155224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133031155224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192998865600).

133031155224 is an abundant number, since it is smaller than the sum of its proper divisors (252966575976).

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

133031155224 is a wasteful number, since it uses less digits than its factorization.

133031155224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714 (or 2693 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 133031155224 its reverse (422551130331), we get a palindrome (555582285555).

The spelling of 133031155224 in words is "one hundred thirty-three billion, thirty-one million, one hundred fifty-five thousand, two hundred twenty-four".