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254420520043325 = 5217598636517749
BaseRepresentation
bin111001110110010011100100…
…101110001000001100111101
31020100211100211111010121012212
4321312103210232020030331
5231321411211112341300
62301035101240510205
7104406163443323216
oct7166234456101475
91210740744117185
10254420520043325
1174080155920699
122465049947b365
13abc69a147568c
1446b8039b0840d
151e630dcce5935
hexe764e4b8833d

254420520043325 has 12 divisors (see below), whose sum is σ = 334039176904500. Its totient is φ = 191563685679360.

The previous prime is 254420520043301. The next prime is 254420520043331. The reversal of 254420520043325 is 523340025024452.

It can be written as a sum of positive squares in 6 ways, for example, as 26841662639236 + 227578857404089 = 5180894^2 + 15085717^2 .

It is a de Polignac number, because none of the positive numbers 2k-254420520043325 is a prime.

It is a congruent 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, 299318258450 + ... + 299318259299.

It is an arithmetic number, because the mean of its divisors is an integer number (27836598075375).

Almost surely, 2254420520043325 is an apocalyptic number.

254420520043325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

254420520043325 is a deficient number, since it is larger than the sum of its proper divisors (79618656861175).

254420520043325 is a wasteful number, since it uses less digits than its factorization.

254420520043325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598636517776 (or 598636517771 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 254420520043325 its reverse (523340025024452), we get a palindrome (777760545067777).

The spelling of 254420520043325 in words is "two hundred fifty-four trillion, four hundred twenty billion, five hundred twenty million, forty-three thousand, three hundred twenty-five".

Divisors: 1 5 17 25 85 425 598636517749 2993182588745 10176820801733 14965912943725 50884104008665 254420520043325