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2040013423 = 736197501
BaseRepresentation
bin111100110011000…
…0010001001101111
312021011122102022201
41321212002021233
513134220412143
6534232322331
7101360554000
oct17146021157
95234572281
102040013423
11957597308
1248b2433a7
13266847046
14154d131a7
15be16864d
hex7998226f

2040013423 has 16 divisors (see below), whose sum is σ = 2418049600. Its totient is φ = 1719900000.

The previous prime is 2040013421. The next prime is 2040013429. The reversal of 2040013423 is 3243100402.

It is not a de Polignac number, because 2040013423 - 21 = 2040013421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2040013423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040013421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27828 + ... + 69673.

It is an arithmetic number, because the mean of its divisors is an integer number (151128100).

Almost surely, 22040013423 is an apocalyptic number.

2040013423 is a deficient number, since it is larger than the sum of its proper divisors (378036177).

2040013423 is an frugal number, since it uses more digits than its factorization.

2040013423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97583 (or 97569 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2040013423 is about 45166.5077574080. The cubic root of 2040013423 is about 1268.2679227577.

Adding to 2040013423 its reverse (3243100402), we get a palindrome (5283113825).

The spelling of 2040013423 in words is "two billion, forty million, thirteen thousand, four hundred twenty-three".

Divisors: 1 7 49 61 343 427 2989 20923 97501 682507 4777549 5947561 33442843 41632927 291430489 2040013423