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2001145413 = 3823181041
BaseRepresentation
bin111011101000111…
…0000111001000101
312011110111201102210
41313101300321011
513044243123123
6530323254033
7100406312121
oct16721607105
95143451383
102001145413
1193765a193
1247a21a319
1325b788817
1414dab6581
15baa3be93
hex77470e45

2001145413 has 8 divisors (see below), whose sum is σ = 2668550976. Its totient is φ = 1333918400.

The previous prime is 2001145403. The next prime is 2001145427. The reversal of 2001145413 is 3145411002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001145413 - 25 = 2001145381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001145413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001145403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15828 + ... + 65213.

It is an arithmetic number, because the mean of its divisors is an integer number (333568872).

Almost surely, 22001145413 is an apocalyptic number.

It is an amenable number.

2001145413 is a deficient number, since it is larger than the sum of its proper divisors (667405563).

2001145413 is an equidigital number, since it uses as much as digits as its factorization.

2001145413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89275.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2001145413 is about 44734.1638236371. The cubic root of 2001145413 is about 1260.1615256516.

Adding to 2001145413 its reverse (3145411002), we get a palindrome (5146556415).

The spelling of 2001145413 in words is "two billion, one million, one hundred forty-five thousand, four hundred thirteen".

Divisors: 1 3 8231 24693 81041 243123 667048471 2001145413