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80966304541 = 202627399583
BaseRepresentation
bin100101101100111110…
…1111100001100011101
321201222200101102122001
41023121331330030131
52311304333221131
6101110112522301
75564264143003
oct1133175741435
9251880342561
1080966304541
1131379405a81
1213837550391
1378343a4c55
143cc1234a73
15218d246261
hex12d9f7c31d

80966304541 has 4 divisors (see below), whose sum is σ = 80966906752. Its totient is φ = 80965702332.

The previous prime is 80966304521. The next prime is 80966304571. The reversal of 80966304541 is 14540366908.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80966304541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80966304491 and 80966304500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80966304511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2836 + ... + 402418.

It is an arithmetic number, because the mean of its divisors is an integer number (20241726688).

Almost surely, 280966304541 is an apocalyptic number.

It is an amenable number.

80966304541 is a deficient number, since it is larger than the sum of its proper divisors (602211).

80966304541 is a wasteful number, since it uses less digits than its factorization.

80966304541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602210.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 80966304541 in words is "eighty billion, nine hundred sixty-six million, three hundred four thousand, five hundred forty-one".

Divisors: 1 202627 399583 80966304541