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1341521013 = 3763881953
BaseRepresentation
bin100111111110101…
…1111110001110101
310110111022022212110
41033331133301311
510221412133023
6341041241233
745146511660
oct11775376165
93414268773
101341521013
11629287658
12315333219
13184c14c21
14ca24c6d7
157cb92a93
hex4ff5fc75

1341521013 has 8 divisors (see below), whose sum is σ = 2044222528. Its totient is φ = 766583424.

The previous prime is 1341521003. The next prime is 1341521021. The reversal of 1341521013 is 3101251431.

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

It is not a de Polignac number, because 1341521013 - 24 = 1341520997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 63881953 = 1341521013 / (1 + 3 + 4 + 1 + 5 + 2 + 1 + 0 + 1 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341521003) 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, 31940956 + ... + 31940997.

It is an arithmetic number, because the mean of its divisors is an integer number (255527816).

Almost surely, 21341521013 is an apocalyptic number.

It is an amenable number.

1341521013 is a deficient number, since it is larger than the sum of its proper divisors (702701515).

1341521013 is an equidigital number, since it uses as much as digits as its factorization.

1341521013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63881963.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1341521013 is about 36626.7799977011. The cubic root of 1341521013 is about 1102.8907472887.

Adding to 1341521013 its reverse (3101251431), we get a palindrome (4442772444).

The spelling of 1341521013 in words is "one billion, three hundred forty-one million, five hundred twenty-one thousand, thirteen".

Divisors: 1 3 7 21 63881953 191645859 447173671 1341521013