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240231420001 = 298283842069
BaseRepresentation
bin1101111110111011101…
…0001001000001100001
3211222002010210120120001
43133232322021001201
512413443220420001
6302205533020001
723233105243456
oct3375672110141
9758063716501
10240231420001
1192977412541
123a685024601
131986630a141
14b8ad2cd82d
1563b0420001
hex37eee89061

240231420001 has 4 divisors (see below), whose sum is σ = 248515262100. Its totient is φ = 231947577904.

The previous prime is 240231419971. The next prime is 240231420043. The reversal of 240231420001 is 100024132042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100024132042 = 250012066021.

It can be written as a sum of positive squares in 2 ways, for example, as 82265712400 + 157965707601 = 286820^2 + 397449^2 .

It is a cyclic number.

It is not a de Polignac number, because 240231420001 - 29 = 240231419489 is a prime.

It is a super-2 number, since 2×2402314200012 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240231420701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4141921006 + ... + 4141921063.

It is an arithmetic number, because the mean of its divisors is an integer number (62128815525).

Almost surely, 2240231420001 is an apocalyptic number.

It is an amenable number.

240231420001 is a deficient number, since it is larger than the sum of its proper divisors (8283842099).

240231420001 is an equidigital number, since it uses as much as digits as its factorization.

240231420001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8283842098.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 240231420001 its reverse (100024132042), we get a palindrome (340255552043).

The spelling of 240231420001 in words is "two hundred forty billion, two hundred thirty-one million, four hundred twenty thousand, one".

Divisors: 1 29 8283842069 240231420001