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82415616548080 = 2453833268769947
BaseRepresentation
bin10010101111010011100001…
…100011000101110011110000
3101210210212010000120002020111
4102233103201203011303300
541300244140314014310
6451141113410351104
723234221544026204
oct2257234143056360
9353725100502214
1082415616548080
11242952a2a75002
1292b084728b494
1336ca9b42216ca
14164cd19680b04
1597dc4531028a
hex4af4e18c5cf0

82415616548080 has 40 divisors (see below), whose sum is σ = 191666300397552. Its totient is φ = 32957645858304.

The previous prime is 82415616548039. The next prime is 82415616548123. The reversal of 82415616548080 is 8084561651428.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134078334 + ... + 134691613.

Almost surely, 282415616548080 is an apocalyptic number.

82415616548080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82415616548080 is an abundant number, since it is smaller than the sum of its proper divisors (109250683849472).

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

82415616548080 is a wasteful number, since it uses less digits than its factorization.

82415616548080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268773793 (or 268773787 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 58.

The spelling of 82415616548080 in words is "eighty-two trillion, four hundred fifteen billion, six hundred sixteen million, five hundred forty-eight thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3833 7666 15332 19165 30664 38330 61328 76660 153320 306640 268769947 537539894 1075079788 1343849735 2150159576 2687699470 4300319152 5375398940 10750797880 21501595760 1030195206851 2060390413702 4120780827404 5150976034255 8241561654808 10301952068510 16483123309616 20603904137020 41207808274040 82415616548080