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2133152460 = 2232539729851
BaseRepresentation
bin111111100100101…
…0101001011001100
312111122220101001200
41333021111023030
513332041334320
6551400505500
7103601332245
oct17711251314
95448811050
102133152460
119a512201a
124b647b290
1327cc279ba
14163439ccc
15c7415290
hex7f2552cc

2133152460 has 72 divisors (see below), whose sum is σ = 6487078416. Its totient is φ = 567388800.

The previous prime is 2133152447. The next prime is 2133152467. The reversal of 2133152460 is 642513312.

2133152460 is a `hidden beast` number, since 2 + 133 + 1 + 524 + 6 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (2133152467) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 56535 + ... + 86385.

Almost surely, 22133152460 is an apocalyptic number.

2133152460 is a gapful number since it is divisible by the number (20) 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 2133152460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3243539208).

2133152460 is an abundant number, since it is smaller than the sum of its proper divisors (4353925956).

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

2133152460 is a wasteful number, since it uses less digits than its factorization.

2133152460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30263 (or 30258 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2133152460 is about 46186.0634823969. The cubic root of 2133152460 is about 1287.2827969286.

Adding to 2133152460 its reverse (642513312), we get a palindrome (2775665772).

The spelling of 2133152460 in words is "two billion, one hundred thirty-three million, one hundred fifty-two thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 397 794 1191 1588 1985 2382 3573 3970 4764 5955 7146 7940 11910 14292 17865 23820 29851 35730 59702 71460 89553 119404 149255 179106 268659 298510 358212 447765 537318 597020 895530 1074636 1343295 1791060 2686590 5373180 11850847 23701694 35552541 47403388 59254235 71105082 106657623 118508470 142210164 177762705 213315246 237016940 355525410 426630492 533288115 711050820 1066576230 2133152460