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253404133253 = 2311017571011
BaseRepresentation
bin1110110000000000010…
…0000011011110000101
3220020002011120202001122
43230000010003132011
513122432424231003
6312225014003325
724210406410335
oct3540004033605
9806064522048
10253404133253
1198517032a17
1241140646545
131ab8540111b
14c39c9770c5
1568d1adb238
hex3b00103785

253404133253 has 4 divisors (see below), whose sum is σ = 264421704288. Its totient is φ = 242386562220.

The previous prime is 253404133247. The next prime is 253404133261. The reversal of 253404133253 is 352331404352.

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.

It is a cyclic number.

It is not a de Polignac number, because 253404133253 - 224 = 253387356037 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 (253404133243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5508785483 + ... + 5508785528.

It is an arithmetic number, because the mean of its divisors is an integer number (66105426072).

Almost surely, 2253404133253 is an apocalyptic number.

253404133253 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

253404133253 is a deficient number, since it is larger than the sum of its proper divisors (11017571035).

253404133253 is a wasteful number, since it uses less digits than its factorization.

253404133253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11017571034.

The product of its (nonzero) digits is 129600, while the sum is 35.

The spelling of 253404133253 in words is "two hundred fifty-three billion, four hundred four million, one hundred thirty-three thousand, two hundred fifty-three".

Divisors: 1 23 11017571011 253404133253