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253444353143023 = 7102304735390687
BaseRepresentation
bin111001101000000110011100…
…101000111011000011101111
31020020101001011201220002021001
4321220012130220323003233
5231204413013401034043
62255010421204221131
7104245515223505650
oct7150063450730357
91206331151802231
10253444353143023
1173834168083309
122451326909a7a7
13ab55913a3a9c3
144682ab4a93527
151e47a08aa374d
hexe6819ca3b0ef

253444353143023 has 8 divisors (see below), whose sum is σ = 289650980616192. Its totient is φ = 217237798497336.

The previous prime is 253444353142969. The next prime is 253444353143029. The reversal of 253444353143023 is 320341353444352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-253444353143023 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 (253444353143029) 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, 10534015 + ... + 24856672.

It is an arithmetic number, because the mean of its divisors is an integer number (36206372577024).

Almost surely, 2253444353143023 is an apocalyptic number.

253444353143023 is a deficient number, since it is larger than the sum of its proper divisors (36206627473169).

253444353143023 is a wasteful number, since it uses less digits than its factorization.

253444353143023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36413741.

The product of its (nonzero) digits is 6220800, while the sum is 46.

The spelling of 253444353143023 in words is "two hundred fifty-three trillion, four hundred forty-four billion, three hundred fifty-three million, one hundred forty-three thousand, twenty-three".

Divisors: 1 7 1023047 7161329 35390687 247734809 36206336163289 253444353143023