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82405263042 = 232179117121841
BaseRepresentation
bin100110010111110111…
…1001000011011000010
321212200222001002121100
41030233233020123002
52322231221404132
6101504554435230
75645036115204
oct1145757103302
9255628032540
1082405263042
1131a47693883
1213b79432b16
137a0354419b
143dba3a8774
15222473437c
hex132fbc86c2

82405263042 has 48 divisors (see below), whose sum is σ = 179703744480. Its totient is φ = 27290390400.

The previous prime is 82405262963. The next prime is 82405263077. The reversal of 82405263042 is 24036250428.

It is a super-2 number, since 2×824052630422 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82405262988 and 82405263006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3762042 + ... + 3783882.

It is an arithmetic number, because the mean of its divisors is an integer number (3743828010).

Almost surely, 282405263042 is an apocalyptic number.

82405263042 is an abundant number, since it is smaller than the sum of its proper divisors (97298481438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82405263042 is a wasteful number, since it uses less digits than its factorization.

82405263042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23199 (or 23196 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 82405263042 in words is "eighty-two billion, four hundred five million, two hundred sixty-three thousand, forty-two".

Divisors: 1 2 3 6 9 18 179 358 537 1074 1171 1611 2342 3222 3513 7026 10539 21078 21841 43682 65523 131046 196569 209609 393138 419218 628827 1257654 1886481 3772962 3909539 7819078 11728617 23457234 25575811 35185851 51151622 70371702 76727433 153454866 230182299 460364598 4578070169 9156140338 13734210507 27468421014 41202631521 82405263042