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253454530143 = 3197428857073
BaseRepresentation
bin1110110000001100010…
…0010011011001011111
3220020012200102011121010
43230003010103121133
513123033324431033
6312234014110303
724211560650133
oct3540304233137
9806180364533
10253454530143
1198542524941
12411554ab393
131ab92998079
14c3a55353c3
1568d6243863
hex3b0311365f

253454530143 has 8 divisors (see below), whose sum is σ = 339654802608. Its totient is φ = 168111972224.

The previous prime is 253454530141. The next prime is 253454530183. The reversal of 253454530143 is 341035454352.

253454530143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 253454530143 - 21 = 253454530141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253454530141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214427946 + ... + 214429127.

It is an arithmetic number, because the mean of its divisors is an integer number (42456850326).

Almost surely, 2253454530143 is an apocalyptic number.

253454530143 is a deficient number, since it is larger than the sum of its proper divisors (86200272465).

253454530143 is a wasteful number, since it uses less digits than its factorization.

253454530143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428857273.

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 253454530143 its reverse (341035454352), we get a palindrome (594489984495).

The spelling of 253454530143 in words is "two hundred fifty-three billion, four hundred fifty-four million, five hundred thirty thousand, one hundred forty-three".

Divisors: 1 3 197 591 428857073 1286571219 84484843381 253454530143