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80448883973 is a prime number
BaseRepresentation
bin100101011101100100…
…0001000110100000101
321200122121202202001022
41022323020020310011
52304224403241343
6100542510440525
75545412142143
oct1127310106405
9250577682038
1080448883973
1131133330277
1213712203145
137781130833
143c72626593
15215cadb568
hex12bb208d05

80448883973 has 2 divisors, whose sum is σ = 80448883974. Its totient is φ = 80448883972.

The previous prime is 80448883967. The next prime is 80448884057. The reversal of 80448883973 is 37938884408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48610548484 + 31838335489 = 220478^2 + 178433^2 .

It is a cyclic number.

It is not a de Polignac number, because 80448883973 - 26 = 80448883909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80448883873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40224441986 + 40224441987.

It is an arithmetic number, because the mean of its divisors is an integer number (40224441987).

Almost surely, 280448883973 is an apocalyptic number.

It is an amenable number.

80448883973 is a deficient number, since it is larger than the sum of its proper divisors (1).

80448883973 is an equidigital number, since it uses as much as digits as its factorization.

80448883973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37158912, while the sum is 62.

The spelling of 80448883973 in words is "eighty billion, four hundred forty-eight million, eight hundred eighty-three thousand, nine hundred seventy-three".