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2040044124431 = 15817128977943
BaseRepresentation
bin11101101011111100000…
…110101111100100001111
321020000201011221010210202
4131223330012233210033
5231411002243440211
64201103333324115
7300250123642355
oct35537406574417
97200634833722
102040044124431
117171a57a71a5
1228b45a79663b
1311a4b57c5861
1470a4ac657d5
15380ed7cd53b
hex1dafc1af90f

2040044124431 has 4 divisors (see below), whose sum is σ = 2040173118192. Its totient is φ = 2039915130672.

The previous prime is 2040044124373. The next prime is 2040044124487. The reversal of 2040044124431 is 1344214400402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2040044124431 - 226 = 2039977015567 is a prime.

It is a super-2 number, since 2×20400441244312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2040044124394 and 2040044124403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040044124031) 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, 64473155 + ... + 64504788.

It is an arithmetic number, because the mean of its divisors is an integer number (510043279548).

Almost surely, 22040044124431 is an apocalyptic number.

2040044124431 is a deficient number, since it is larger than the sum of its proper divisors (128993761).

2040044124431 is a wasteful number, since it uses less digits than its factorization.

2040044124431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128993760.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 2040044124431 its reverse (1344214400402), we get a palindrome (3384258524833).

The spelling of 2040044124431 in words is "two trillion, forty billion, forty-four million, one hundred twenty-four thousand, four hundred thirty-one".

Divisors: 1 15817 128977943 2040044124431