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80124510312 = 233372111275419
BaseRepresentation
bin100101010011111001…
…0110000000001101000
321122211000101212001000
41022213302300001220
52303043333312222
6100450402155000
75534363046300
oct1124762600150
9248730355030
1080124510312
1130a87219570
1213641652a60
13772bb7a962
143c4150a600
15213e3b59ac
hex12a7cb0068

80124510312 has 384 divisors, whose sum is σ = 284719104000. Its totient is φ = 20643880320.

The previous prime is 80124510299. The next prime is 80124510353. The reversal of 80124510312 is 21301542108.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14783139 + ... + 14788557.

It is an arithmetic number, because the mean of its divisors is an integer number (741456000).

Almost surely, 280124510312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80124510312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142359552000).

80124510312 is an abundant number, since it is smaller than the sum of its proper divisors (204594593688).

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

80124510312 is a wasteful number, since it uses less digits than its factorization.

80124510312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586 (or 5569 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 80124510312 in words is "eighty billion, one hundred twenty-four million, five hundred ten thousand, three hundred twelve".