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2133240520 = 235290318371
BaseRepresentation
bin111111100100110…
…1010101011001000
312111200001211212011
41333021222223020
513332102144040
6551402425304
7103602150055
oct17711525310
95450054764
102133240520
119a51821a4
124b6502234
1327cc58ac8
1416346002c
15c74313ea
hex7f26aac8

2133240520 has 32 divisors (see below), whose sum is σ = 4801705920. Its totient is φ = 852955840.

The previous prime is 2133240517. The next prime is 2133240533. The reversal of 2133240520 is 250423312.

It is a junction number, because it is equal to n+sod(n) for n = 2133240491 and 2133240500.

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 7 ways as a sum of consecutive naturals, for example, 106935 + ... + 125305.

It is an arithmetic number, because the mean of its divisors is an integer number (150053310).

Almost surely, 22133240520 is an apocalyptic number.

2133240520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133240520 is an abundant number, since it is smaller than the sum of its proper divisors (2668465400).

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

2133240520 is a wasteful number, since it uses less digits than its factorization.

2133240520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21285 (or 21281 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2133240520 is about 46187.0167904358. The cubic root of 2133240520 is about 1287.3005103934.

Adding to 2133240520 its reverse (250423312), we get a palindrome (2383663832).

The spelling of 2133240520 in words is "two billion, one hundred thirty-three million, two hundred forty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 2903 5806 11612 14515 18371 23224 29030 36742 58060 73484 91855 116120 146968 183710 367420 734840 53331013 106662026 213324052 266655065 426648104 533310130 1066620260 2133240520