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133444444330 = 25109712164489
BaseRepresentation
bin111110001000111101…
…0001010000010101010
3110202102222021010222001
41330101322022002222
54141243234204310
6141145321321214
712432610030051
oct1742172120252
9422388233861
10133444444330
1151658a0113a
1221a4233620a
13c77868c082
14665cb25398
15371044993a
hex1f11e8a0aa

133444444330 has 16 divisors (see below), whose sum is σ = 240418980360. Its totient is φ = 53329115392.

The previous prime is 133444444307. The next prime is 133444444361. The reversal of 133444444330 is 33444444331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 122416714161 + 11027730169 = 349881^2 + 105013^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133444444330.

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, 6071275 + ... + 6093214.

Almost surely, 2133444444330 is an apocalyptic number.

133444444330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133444444330 is a deficient number, since it is larger than the sum of its proper divisors (106974536030).

133444444330 is a wasteful number, since it uses less digits than its factorization.

133444444330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12165593.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 133444444330 its reverse (33444444331), we get a palindrome (166888888661).

Subtracting from 133444444330 its reverse (33444444331), we obtain a palindrome (99999999999).

The spelling of 133444444330 in words is "one hundred thirty-three billion, four hundred forty-four million, four hundred forty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 1097 2194 5485 10970 12164489 24328978 60822445 121644890 13344444433 26688888866 66722222165 133444444330