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2152550133 = 3547188473
BaseRepresentation
bin1000000001001101…
…0100111011110101
312120000101212200000
42000103110323311
513402023101013
6553332341513
7104225242236
oct20023247365
95500355600
102152550133
11a05070858
12500a74899
13283c59c06
14165c4908d
15c8e97973
hex804d4ef5

2152550133 has 24 divisors (see below), whose sum is σ = 3293017728. Its totient is φ = 1404493344.

The previous prime is 2152550123. The next prime is 2152550161. The reversal of 2152550133 is 3310552512.

It is a happy number.

2152550133 is a `hidden beast` number, since 2 + 1 + 525 + 5 + 0 + 133 = 666.

It is not a de Polignac number, because 2152550133 - 24 = 2152550117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2152550097 and 2152550106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152550123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82816 + ... + 105657.

It is an arithmetic number, because the mean of its divisors is an integer number (137209072).

Almost surely, 22152550133 is an apocalyptic number.

It is an amenable number.

2152550133 is a deficient number, since it is larger than the sum of its proper divisors (1140467595).

2152550133 is an equidigital number, since it uses as much as digits as its factorization.

2152550133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188535 (or 188523 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 2152550133 is about 46395.5831195169. The cubic root of 2152550133 is about 1291.1729677371.

The spelling of 2152550133 in words is "two billion, one hundred fifty-two million, five hundred fifty thousand, one hundred thirty-three".

Divisors: 1 3 9 27 47 81 141 243 423 1269 3807 11421 188473 565419 1696257 5088771 8858231 15266313 26574693 45798939 79724079 239172237 717516711 2152550133