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80509334061 = 3132399860501
BaseRepresentation
bin100101011111010111…
…0101111001000101101
321200210211111220222110
41022332232233020231
52304340342142221
6100552510234233
75550045022362
oct1127656571055
9250724456873
1080509334061
1131164469322
121372a4b5979
137790807610
143c7a680469
15216307c776
hex12bebaf22d

80509334061 has 16 divisors (see below), whose sum is σ = 115651468800. Its totient is φ = 49523496000.

The previous prime is 80509334053. The next prime is 80509334099. The reversal of 80509334061 is 16043390508.

It is not a de Polignac number, because 80509334061 - 23 = 80509334053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80509334161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336690 + ... + 523811.

It is an arithmetic number, because the mean of its divisors is an integer number (7228216800).

Almost surely, 280509334061 is an apocalyptic number.

It is an amenable number.

80509334061 is a deficient number, since it is larger than the sum of its proper divisors (35142134739).

80509334061 is a wasteful number, since it uses less digits than its factorization.

80509334061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862916.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 80509334061 in words is "eighty billion, five hundred nine million, three hundred thirty-four thousand, sixty-one".

Divisors: 1 3 13 39 2399 7197 31187 93561 860501 2581503 11186513 33559539 2064341899 6193025697 26836444687 80509334061