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80325800640 = 2632527890903
BaseRepresentation
bin100101011001111001…
…0100111001011000000
321200100001011110110100
41022303302213023000
52304001401110030
6100522352402400
75542356016461
oct1126362471300
9250301143410
1080325800640
113107a902a08
1213698b46400
137761797367
143c60146d68
152151dc7360
hex12b3ca72c0

80325800640 has 84 divisors (see below), whose sum is σ = 276287295024. Its totient is φ = 21420212736.

The previous prime is 80325800627. The next prime is 80325800647. The reversal of 80325800640 is 4600852308.

80325800640 is a `hidden beast` number, since 8 + 0 + 3 + 2 + 5 + 8 + 0 + 0 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 80325800595 and 80325800604.

It is not an unprimeable number, because it can be changed into a prime (80325800647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13942572 + ... + 13948331.

Almost surely, 280325800640 is an apocalyptic number.

80325800640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80325800640 is an abundant number, since it is smaller than the sum of its proper divisors (195961494384).

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

80325800640 is a wasteful number, since it uses less digits than its factorization.

80325800640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27890926 (or 27890913 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 80325800640 in words is "eighty billion, three hundred twenty-five million, eight hundred thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 27890903 55781806 83672709 111563612 139454515 167345418 223127224 251018127 278909030 334690836 418363545 446254448 502036254 557818060 669381672 836727090 892508896 1004072508 1115636120 1255090635 1338763344 1673454180 1785017792 2008145016 2231272240 2510181270 2677526688 3346908360 4016290032 4462544480 5020362540 5355053376 6693816720 8032580064 8925088960 10040725080 13387633440 16065160128 20081450160 26775266880 40162900320 80325800640