Search a number
-
+
80750278000 = 245375767877
BaseRepresentation
bin100101100110100010…
…1110111010101110000
321201102121220010221001
41023031011313111300
52310334032344000
6101032434411344
75556032016010
oct1131505672560
9251377803831
1080750278000
1131278477047
1213797130b54
1377cb6c8cb2
143ca067dc40
1521792c346a
hex12cd177570

80750278000 has 80 divisors (see below), whose sum is σ = 223147664064. Its totient is φ = 27685804800.

The previous prime is 80750277997. The next prime is 80750278043. The reversal of 80750278000 is 87205708.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2869939 + ... + 2897938.

Almost surely, 280750278000 is an apocalyptic number.

80750278000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80750278000 is an abundant number, since it is smaller than the sum of its proper divisors (142397386064).

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

80750278000 is a wasteful number, since it uses less digits than its factorization.

80750278000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5767907 (or 5767891 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The spelling of 80750278000 in words is "eighty billion, seven hundred fifty million, two hundred seventy-eight thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 125 140 175 200 250 280 350 400 500 560 700 875 1000 1400 1750 2000 2800 3500 7000 14000 5767877 11535754 23071508 28839385 40375139 46143016 57678770 80750278 92286032 115357540 144196925 161500556 201875695 230715080 288393850 323001112 403751390 461430160 576787700 646002224 720984625 807502780 1009378475 1153575400 1441969250 1615005560 2018756950 2307150800 2883938500 3230011120 4037513900 5046892375 5767877000 8075027800 10093784750 11535754000 16150055600 20187569500 40375139000 80750278000