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253430342220001 = 331917635513911
BaseRepresentation
bin111001100111111001011001…
…100001011111100011100001
31020020022201000021212110010011
4321213321121201133203201
5231204200320102020001
62255000143021404521
7104244511063564612
oct7147713141374341
91206281007773104
10253430342220001
11738292282a4491
12245105b8a09741
13ab544c00a60cb
144682145d75c09
151e47488a13d51
hexe67e5985f8e1

253430342220001 has 4 divisors (see below), whose sum is σ = 253437977767104. Its totient is φ = 253422706672900.

The previous prime is 253430342219947. The next prime is 253430342220101. The reversal of 253430342220001 is 100022243034352.

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 253430342220001 - 221 = 253430340122849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253430342220101) 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, 3817723765 + ... + 3817790146.

It is an arithmetic number, because the mean of its divisors is an integer number (63359494441776).

Almost surely, 2253430342220001 is an apocalyptic number.

It is an amenable number.

253430342220001 is a deficient number, since it is larger than the sum of its proper divisors (7635547103).

253430342220001 is an equidigital number, since it uses as much as digits as its factorization.

253430342220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7635547102.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 253430342220001 its reverse (100022243034352), we get a palindrome (353452585254353).

The spelling of 253430342220001 in words is "two hundred fifty-three trillion, four hundred thirty billion, three hundred forty-two million, two hundred twenty thousand, one".

Divisors: 1 33191 7635513911 253430342220001