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82385942386 = 2116053618671
BaseRepresentation
bin100110010111010010…
…1011011011101110010
321212122121200111122111
41030232211123131302
52322211300124021
6101503024355534
75644412645566
oct1145645333562
9255577614574
1082385942386
1131a377979a0
1213b72a75baa
1379cc53b047
143db79b96a6
152222bb98e1
hex132e95b772

82385942386 has 16 divisors (see below), whose sum is σ = 134835850368. Its totient is φ = 37441908400.

The previous prime is 82385942381. The next prime is 82385942417. The reversal of 82385942386 is 68324958328.

It is a happy number.

It is a super-2 number, since 2×823859423862 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82385942386.

It is not an unprimeable number, because it can be changed into a prime (82385942381) 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, 176170 + ... + 442501.

It is an arithmetic number, because the mean of its divisors is an integer number (8427240648).

Almost surely, 282385942386 is an apocalyptic number.

82385942386 is a deficient number, since it is larger than the sum of its proper divisors (52449907982).

82385942386 is a wasteful number, since it uses less digits than its factorization.

82385942386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624737.

The product of its digits is 19906560, while the sum is 58.

The spelling of 82385942386 in words is "eighty-two billion, three hundred eighty-five million, nine hundred forty-two thousand, three hundred eighty-six".

Divisors: 1 2 11 22 6053 12106 66583 133166 618671 1237342 6805381 13610762 3744815563 7489631126 41192971193 82385942386