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1253313111 = 3739356509
BaseRepresentation
bin100101010110100…
…0000101001010111
310020100022220101010
41022231000221113
510031322004421
6324210503303
743025662041
oct11255005127
93210286333
101253313111
1159350a766
122ab894b33
1316c86c8bb
14bc64aa91
157506c076
hex4ab40a57

1253313111 has 8 divisors (see below), whose sum is σ = 1671339760. Its totient is φ = 835414272.

The previous prime is 1253313091. The next prime is 1253313119. The reversal of 1253313111 is 1113133521.

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

It is not a de Polignac number, because 1253313111 - 214 = 1253296727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253313119) 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, 6076 + ... + 50433.

It is an arithmetic number, because the mean of its divisors is an integer number (208917470).

Almost surely, 21253313111 is an apocalyptic number.

1253313111 is a deficient number, since it is larger than the sum of its proper divisors (418026649).

1253313111 is an equidigital number, since it uses as much as digits as its factorization.

1253313111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63905.

The product of its digits is 270, while the sum is 21.

The square root of 1253313111 is about 35402.1625186937. The cubic root of 1253313111 is about 1078.1682229157.

Adding to 1253313111 its reverse (1113133521), we get a palindrome (2366446632).

The spelling of 1253313111 in words is "one billion, two hundred fifty-three million, three hundred thirteen thousand, one hundred eleven".

Divisors: 1 3 7393 22179 56509 169527 417771037 1253313111