Search a number
-
+
1400443120242 = 232431180515999
BaseRepresentation
bin10100011000010000111…
…010100010101001110010
311221212210021210122011200
4110120100322202221302
5140421101414321432
62551204340152030
7203115200053545
oct24302072425162
94855707718150
101400443120242
1149aa196a5071
121a74b9698616
13a20a46652ba
144bad33d685c
1526666edea7c
hex14610ea2a72

1400443120242 has 24 divisors (see below), whose sum is σ = 3041333568000. Its totient is φ = 465731274840.

The previous prime is 1400443120177. The next prime is 1400443120249. The reversal of 1400443120242 is 2420213440041.

1400443120242 is a `hidden beast` number, since 1 + 400 + 4 + 4 + 3 + 12 + 0 + 242 = 666.

It is a super-2 number, since 2×14004431202422 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400443120249) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 90250242 + ... + 90265757.

It is an arithmetic number, because the mean of its divisors is an integer number (126722232000).

Almost surely, 21400443120242 is an apocalyptic number.

1400443120242 is an abundant number, since it is smaller than the sum of its proper divisors (1640890447758).

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

1400443120242 is a wasteful number, since it uses less digits than its factorization.

1400443120242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180516438 (or 180516435 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1400443120242 its reverse (2420213440041), we get a palindrome (3820656560283).

The spelling of 1400443120242 in words is "one trillion, four hundred billion, four hundred forty-three million, one hundred twenty thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 431 862 1293 2586 3879 7758 180515999 361031998 541547997 1083095994 1624643991 3249287982 77802395569 155604791138 233407186707 466814373414 700221560121 1400443120242