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82501608488 = 23132321499593
BaseRepresentation
bin100110011010101111…
…0101010010000101000
321212221200022221201012
41030311132222100220
52322430402432423
6101522315443052
75650316046545
oct1146536522050
9255850287635
1082501608488
1131a97009612
1213ba5756488
137a1a4a8420
143dc90c7bcc
15222ce16078
hex13357aa428

82501608488 has 48 divisors (see below), whose sum is σ = 174147851220. Its totient is φ = 36422090496.

The previous prime is 82501608487. The next prime is 82501608517. The reversal of 82501608488 is 88480610528.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82207211524 + 294396964 = 286718^2 + 17158^2 .

It is a super-2 number, since 2×825016084882 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82501608487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 694781 + ... + 804812.

Almost surely, 282501608488 is an apocalyptic number.

It is an amenable number.

82501608488 is an abundant number, since it is smaller than the sum of its proper divisors (91646242732).

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

82501608488 is a wasteful number, since it uses less digits than its factorization.

82501608488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499658 (or 1499631 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 50.

The spelling of 82501608488 in words is "eighty-two billion, five hundred one million, six hundred eight thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 13 23 26 46 52 92 104 184 299 529 598 1058 1196 2116 2392 4232 6877 13754 27508 55016 1499593 2999186 5998372 11996744 19494709 34490639 38989418 68981278 77978836 137962556 155957672 275925112 448378307 793284697 896756614 1586569394 1793513228 3173138788 3587026456 6346277576 10312701061 20625402122 41250804244 82501608488