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80376711780 = 22351339611863
BaseRepresentation
bin100101011011011010…
…0110100101001100100
321200110120222000102010
41022312310310221210
52304102414234110
6100531411514220
75543544530451
oct1126664645144
9250416860363
1080376711780
11310a6616232
12136b1bb8970
13776c1b13b1
143c66bda828
1521565d2020
hex12b6d34a64

80376711780 has 24 divisors (see below), whose sum is σ = 225054793152. Its totient is φ = 21433789792.

The previous prime is 80376711719. The next prime is 80376711787. The reversal of 80376711780 is 8711767308.

It is not an unprimeable number, because it can be changed into a prime (80376711787) 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, 669805872 + ... + 669805991.

It is an arithmetic number, because the mean of its divisors is an integer number (9377283048).

Almost surely, 280376711780 is an apocalyptic number.

It is an amenable number.

80376711780 is an abundant number, since it is smaller than the sum of its proper divisors (144678081372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80376711780 is a wasteful number, since it uses less digits than its factorization.

80376711780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339611875 (or 1339611873 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 48.

The spelling of 80376711780 in words is "eighty billion, three hundred seventy-six million, seven hundred eleven thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1339611863 2679223726 4018835589 5358447452 6698059315 8037671178 13396118630 16075342356 20094177945 26792237260 40188355890 80376711780