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80688328433 = 597511821037
BaseRepresentation
bin100101100100101100…
…1100010111011110001
321201021022022210002122
41023021121202323301
52310222203002213
6101022342524025
75554350322016
oct1131131427361
9251238283078
1080688328433
1131246504459
121377a436615
1377bb91884b
143c9635570d
152173b37d08
hex12c9662ef1

80688328433 has 8 divisors (see below), whose sum is σ = 82165234560. Its totient is φ = 79215066000.

The previous prime is 80688328417. The next prime is 80688328459. The reversal of 80688328433 is 33482388608.

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 80688328433 - 24 = 80688328417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80688328493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866210 + ... + 954827.

It is an arithmetic number, because the mean of its divisors is an integer number (10270654320).

Almost surely, 280688328433 is an apocalyptic number.

It is an amenable number.

80688328433 is a deficient number, since it is larger than the sum of its proper divisors (1476906127).

80688328433 is a wasteful number, since it uses less digits than its factorization.

80688328433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821847.

The product of its (nonzero) digits is 5308416, while the sum is 53.

The spelling of 80688328433 in words is "eighty billion, six hundred eighty-eight million, three hundred twenty-eight thousand, four hundred thirty-three".

Divisors: 1 59 751 44309 1821037 107441183 1367598787 80688328433