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2001513355 = 5541739931
BaseRepresentation
bin111011101001100…
…1010101110001011
312011111012102011021
41313103022232023
513044341411410
6530335213311
7100412403622
oct16723125613
95144172137
102001513355
11937890676
1247a377237
1325b88713a
1414db706b9
15baab0eda
hex774cab8b

2001513355 has 8 divisors (see below), whose sum is σ = 2406258864. Its totient is φ = 1598248800.

The previous prime is 2001513347. The next prime is 2001513373. The reversal of 2001513355 is 5533151002.

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

It is not a de Polignac number, because 2001513355 - 23 = 2001513347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367261 + ... + 372670.

It is an arithmetic number, because the mean of its divisors is an integer number (300782358).

Almost surely, 22001513355 is an apocalyptic number.

2001513355 is a deficient number, since it is larger than the sum of its proper divisors (404745509).

2001513355 is an equidigital number, since it uses as much as digits as its factorization.

2001513355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740477.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 2001513355 is about 44738.2761737642. The cubic root of 2001513355 is about 1260.2387544118.

Adding to 2001513355 its reverse (5533151002), we get a palindrome (7534664357).

The spelling of 2001513355 in words is "two billion, one million, five hundred thirteen thousand, three hundred fifty-five".

Divisors: 1 5 541 2705 739931 3699655 400302671 2001513355