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82424818257 = 31740911873329
BaseRepresentation
bin100110011000011100…
…1101110101001010001
321212202022211121022120
41030300321232221101
52322301223141012
6101510533524453
75645364252405
oct1146071565121
9255668747276
1082424818257
1131a5772aa11
1213b83aa3729
137a07600012
143dbcc19105
1522262e858c
hex1330e6ea51

82424818257 has 32 divisors (see below), whose sum is σ = 116782300800. Its totient is φ = 51532136448.

The previous prime is 82424818247. The next prime is 82424818283. The reversal of 82424818257 is 75281842428.

It is not a de Polignac number, because 82424818257 - 215 = 82424785489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (82424818207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24757969 + ... + 24761297.

It is an arithmetic number, because the mean of its divisors is an integer number (3649446900).

Almost surely, 282424818257 is an apocalyptic number.

It is an amenable number.

82424818257 is a deficient number, since it is larger than the sum of its proper divisors (34357482543).

82424818257 is a wasteful number, since it uses less digits than its factorization.

82424818257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4945.

The product of its digits is 2293760, while the sum is 51.

The spelling of 82424818257 in words is "eighty-two billion, four hundred twenty-four million, eight hundred eighteen thousand, two hundred fifty-seven".

Divisors: 1 3 17 51 409 1187 1227 3329 3561 6953 9987 20179 20859 56593 60537 169779 485483 1361561 1456449 3951523 4084683 8253211 11854569 23146537 24759633 67175891 69439611 201527673 1616172907 4848518721 27474939419 82424818257