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82604600688 = 2431720929181
BaseRepresentation
bin100110011101110011…
…1100010110101110000
321220012212010111110010
41030323213202311300
52323133234210223
6101540435134520
75653006343421
oct1147347426560
9256185114403
1082604600688
113203a164135
1214014144440
137a35928b5c
143dd8a57648
152236eac393
hex133b9e2d70

82604600688 has 20 divisors (see below), whose sum is σ = 213395218568. Its totient is φ = 27534866880.

The previous prime is 82604600681. The next prime is 82604600723. The reversal of 82604600688 is 88600640628.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1720929181 = 82604600688 / (8 + 2 + 6 + 0 + 4 + 6 + 0 + 0 + 6 + 8 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82604600681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860464543 + ... + 860464638.

Almost surely, 282604600688 is an apocalyptic number.

It is an amenable number.

82604600688 is an abundant number, since it is smaller than the sum of its proper divisors (130790617880).

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

82604600688 is a wasteful number, since it uses less digits than its factorization.

82604600688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720929192 (or 1720929186 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 82604600688 in words is "eighty-two billion, six hundred four million, six hundred thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1720929181 3441858362 5162787543 6883716724 10325575086 13767433448 20651150172 27534866896 41302300344 82604600688