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82415138302848 = 2731316509442769
BaseRepresentation
bin10010101111010011000101…
…000010101110101110000000
3101210210210212200122201010010
4102233103011002232232000
541300242200401142343
6451140554124104520
723234203646020221
oct2257230502565600
9353723780581103
1082415138302848
112429507801730a
1292b0733095140
1336ca939115670
14164ccb1d4d248
1597dc18342d33
hex4af4c50aeb80

82415138302848 has 64 divisors (see below), whose sum is σ = 235754842755600. Its totient is φ = 25358504091648.

The previous prime is 82415138302837. The next prime is 82415138302867. The reversal of 82415138302848 is 84820383151428.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×824151383028482 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8254716393 + ... + 8254726376.

Almost surely, 282415138302848 is an apocalyptic number.

It is an amenable number.

82415138302848 is an abundant number, since it is smaller than the sum of its proper divisors (153339704452752).

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

82415138302848 is a wasteful number, since it uses less digits than its factorization.

82415138302848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16509442799 (or 16509442787 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 57.

The spelling of 82415138302848 in words is "eighty-two trillion, four hundred fifteen billion, one hundred thirty-eight million, three hundred two thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 312 384 416 624 832 1248 1664 2496 4992 16509442769 33018885538 49528328307 66037771076 99056656614 132075542152 198113313228 214622755997 264151084304 396226626456 429245511994 528302168608 643868267991 792453252912 858491023988 1056604337216 1287736535982 1584906505824 1716982047976 2113208674432 2575473071964 3169813011648 3433964095952 5150946143928 6339626023296 6867928191904 10301892287856 13735856383808 20603784575712 27471712767616 41207569151424 82415138302848