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2135231104 = 2716681493
BaseRepresentation
bin111111101000101…
…0000101010000000
312111210210222102111
41333101100222000
513333104343404
6551513225104
7103625110366
oct17721205200
95453728374
102135231104
119a6311806
124b7102194
132804a4b76
1416381b636
15c76c6104
hex7f450a80

2135231104 has 16 divisors (see below), whose sum is σ = 4253780970. Its totient is φ = 1067615488.

The previous prime is 2135231101. The next prime is 2135231141. The reversal of 2135231104 is 4011325312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1139197504 + 996033600 = 33752^2 + 31560^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (2135231101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8340619 + ... + 8340874.

Almost surely, 22135231104 is an apocalyptic number.

It is an amenable number.

2135231104 is a deficient number, since it is larger than the sum of its proper divisors (2118549866).

2135231104 is an equidigital number, since it uses as much as digits as its factorization.

2135231104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16681507 (or 16681495 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2135231104 is about 46208.5609384235. The cubic root of 2135231104 is about 1287.7007908038.

Adding to 2135231104 its reverse (4011325312), we get a palindrome (6146556416).

The spelling of 2135231104 in words is "two billion, one hundred thirty-five million, two hundred thirty-one thousand, one hundred four".

Divisors: 1 2 4 8 16 32 64 128 16681493 33362986 66725972 133451944 266903888 533807776 1067615552 2135231104