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2140204001431 = 12889166048879
BaseRepresentation
bin11111001001001110000…
…110010110100010010111
321120121020111102002001211
4133021032012112202113
5240031114211021211
64315110211202251
7310424151565516
oct37111606264227
97517214362054
102140204001431
11755723400251
122a6951ba6387
13126a88481a72
147582d22267d
153aa11a98e21
hex1f24e196897

2140204001431 has 4 divisors (see below), whose sum is σ = 2140370063200. Its totient is φ = 2140037939664.

The previous prime is 2140204001399. The next prime is 2140204001443. The reversal of 2140204001431 is 1341004020412.

It is a happy number.

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 2140204001431 - 25 = 2140204001399 is a prime.

It is a super-2 number, since 2×21402040014312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140204001471) 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, 83011551 + ... + 83037328.

It is an arithmetic number, because the mean of its divisors is an integer number (535092515800).

Almost surely, 22140204001431 is an apocalyptic number.

2140204001431 is a deficient number, since it is larger than the sum of its proper divisors (166061769).

2140204001431 is a wasteful number, since it uses less digits than its factorization.

2140204001431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166061768.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2140204001431 its reverse (1341004020412), we get a palindrome (3481208021843).

The spelling of 2140204001431 in words is "two trillion, one hundred forty billion, two hundred four million, one thousand, four hundred thirty-one".

Divisors: 1 12889 166048879 2140204001431