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2013451541 = 16191243639
BaseRepresentation
bin111100000000010…
…1101010100010101
312012022122221021022
41320000231110111
513110420422131
6531443130525
7100616025053
oct17000552425
95168587238
102013451541
119435a4a42
12482373a45
132611a6c5a
1415159b1d3
15bbb6d37b
hex7802d515

2013451541 has 4 divisors (see below), whose sum is σ = 2014696800. Its totient is φ = 2012206284.

The previous prime is 2013451511. The next prime is 2013451543. The reversal of 2013451541 is 1451543102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1451543102 = 2725771551.

It is a cyclic number.

It is not a de Polignac number, because 2013451541 - 26 = 2013451477 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 2013451541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013451543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620201 + ... + 623438.

It is an arithmetic number, because the mean of its divisors is an integer number (503674200).

Almost surely, 22013451541 is an apocalyptic number.

It is an amenable number.

2013451541 is a deficient number, since it is larger than the sum of its proper divisors (1245259).

2013451541 is a wasteful number, since it uses less digits than its factorization.

2013451541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245258.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2013451541 is about 44871.5003203592. The cubic root of 2013451541 is about 1262.7393874197.

Adding to 2013451541 its reverse (1451543102), we get a palindrome (3464994643).

The spelling of 2013451541 in words is "two billion, thirteen million, four hundred fifty-one thousand, five hundred forty-one".

Divisors: 1 1619 1243639 2013451541