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BaseRepresentation
bin111111100011100…
…0011011100000001
312111121210001012211
41333013003130001
513331413234041
6551340022121
7103563265015
oct17707033401
95447701184
102132555521
119a4854588
124b6231941
1327ca79095
14163322545
15c7348481
hex7f1c3701

2132555521 has 8 divisors (see below), whose sum is σ = 2137593024. Its totient is φ = 2127525840.

The previous prime is 2132555507. The next prime is 2132555527. The reversal of 2132555521 is 1255552312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2132555521 - 217 = 2132424449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2132555527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1356666 + ... + 1358236.

It is an arithmetic number, because the mean of its divisors is an integer number (267199128).

Almost surely, 22132555521 is an apocalyptic number.

It is an amenable number.

2132555521 is a deficient number, since it is larger than the sum of its proper divisors (5037503).

2132555521 is a wasteful number, since it uses less digits than its factorization.

2132555521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911.

The product of its digits is 15000, while the sum is 31.

The square root of 2132555521 is about 46179.6007020416. The cubic root of 2132555521 is about 1287.1627084664.

The spelling of 2132555521 in words is "two billion, one hundred thirty-two million, five hundred fifty-five thousand, five hundred twenty-one".