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1980108312053 is a prime number
BaseRepresentation
bin11100110100000111101…
…001110000110111110101
321000022000011010101220212
4130310013221300313311
5224420230211441203
64113352121035205
7263025633642524
oct34640751606765
97008004111825
101980108312053
116a3839580263
1227b912325b05
13114953450711
146bba2b204bb
1536791a091d8
hex1cd07a70df5

1980108312053 has 2 divisors, whose sum is σ = 1980108312054. Its totient is φ = 1980108312052.

The previous prime is 1980108312023. The next prime is 1980108312067. The reversal of 1980108312053 is 3502138010891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1040028753124 + 940079558929 = 1019818^2 + 969577^2 .

It is a cyclic number.

It is not a de Polignac number, because 1980108312053 - 26 = 1980108311989 is a prime.

It is a super-2 number, since 2×19801083120532 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1980108312053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1980108312023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 990054156026 + 990054156027.

It is an arithmetic number, because the mean of its divisors is an integer number (990054156027).

Almost surely, 21980108312053 is an apocalyptic number.

It is an amenable number.

1980108312053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1980108312053 is an equidigital number, since it uses as much as digits as its factorization.

1980108312053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 1980108312053 in words is "one trillion, nine hundred eighty billion, one hundred eight million, three hundred twelve thousand, fifty-three".