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253355400500425 = 5218155990143757
BaseRepresentation
bin111001100110110011100110…
…101001100001010011001001
31020020001112120110210122101121
4321212303212221201103021
5231201433330012003200
62254501510400315241
7104236216002513346
oct7146634651412311
91206045513718347
10253355400500425
11737aa470691353
12244b9b83012b21
13ab4a408bc7242
14467c676d0d7cd
151e4554e65ee1a
hexe66ce6a614c9

253355400500425 has 12 divisors (see below), whose sum is σ = 315896391082636. Its totient is φ = 201564517521600.

The previous prime is 253355400500353. The next prime is 253355400500539. The reversal of 253355400500425 is 524005004553352.

253355400500425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 125472504505401 + 127882895995024 = 11201451^2 + 11308532^2 .

It is not a de Polignac number, because 253355400500425 - 211 = 253355400498377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27995067354 + ... + 27995076403.

Almost surely, 2253355400500425 is an apocalyptic number.

253355400500425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253355400500425 is a deficient number, since it is larger than the sum of its proper divisors (62540990582211).

253355400500425 is a wasteful number, since it uses less digits than its factorization.

253355400500425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55990143948 (or 55990143943 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 43.

The spelling of 253355400500425 in words is "two hundred fifty-three trillion, three hundred fifty-five billion, four hundred million, five hundred thousand, four hundred twenty-five".

Divisors: 1 5 25 181 905 4525 55990143757 279950718785 1399753593925 10134216020017 50671080100085 253355400500425