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82043457152 = 27640964509
BaseRepresentation
bin100110001101000101…
…0111100111010000000
321211202202020110020012
41030122022330322000
52321011111112102
6101405032004052
75633053610426
oct1143212747200
9254682213205
1082043457152
1131881435748
1213a98230628
1379765b6467
143d84307116
152202ab7752
hex131a2bce80

82043457152 has 16 divisors (see below), whose sum is σ = 163445950050. Its totient is φ = 41021728512.

The previous prime is 82043457131. The next prime is 82043457241. The reversal of 82043457152 is 25175434028.

It can be written as a sum of positive squares in only one way, i.e., 45157950016 + 36885507136 = 212504^2 + 192056^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×820434571522 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320482127 + ... + 320482382.

Almost surely, 282043457152 is an apocalyptic number.

It is an amenable number.

82043457152 is a deficient number, since it is larger than the sum of its proper divisors (81402492898).

82043457152 is an equidigital number, since it uses as much as digits as its factorization.

82043457152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640964523 (or 640964511 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 82043457152 in words is "eighty-two billion, forty-three million, four hundred fifty-seven thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 640964509 1281929018 2563858036 5127716072 10255432144 20510864288 41021728576 82043457152