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80505078333079 = 6311063120021943
BaseRepresentation
bin10010010011100000001100…
…100110001011111010010111
3101120001012200022211210012211
4102103200030212023322113
541022443400023124304
6443115304502054251
722646204614115551
oct2223401446137227
9346035608753184
1080505078333079
1123719014a57424
12904250ba1a387
1335bc79a1372ba
1415c467642a4d1
159491c62e8204
hex49380c98be97

80505078333079 has 8 divisors (see below), whose sum is σ = 80708516198912. Its totient is φ = 80301880514520.

The previous prime is 80505078333019. The next prime is 80505078333103. The reversal of 80505078333079 is 97033387050508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80505078333079 - 241 = 78306055077527 is a prime.

It is a super-2 number, since 2×805050783330792 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80505078333019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59340219 + ... + 60681724.

It is an arithmetic number, because the mean of its divisors is an integer number (10088564524864).

Almost surely, 280505078333079 is an apocalyptic number.

80505078333079 is a deficient number, since it is larger than the sum of its proper divisors (203437865833).

80505078333079 is a wasteful number, since it uses less digits than its factorization.

80505078333079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120023637.

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 80505078333079 in words is "eighty trillion, five hundred five billion, seventy-eight million, three hundred thirty-three thousand, seventy-nine".

Divisors: 1 631 1063 670753 120021943 75733846033 127583325409 80505078333079