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1950382885877 is a prime number
BaseRepresentation
bin11100011000011011111…
…000010000101111110101
320220110021112111022000122
4130120123320100233311
5223423341004322002
64051554334021325
7260624206664456
oct34303370205765
96813245438018
101950382885877
11692175324648
12275bb7347845
13111bc6c2324a
146a582d4b12d
1535b0206a6a2
hex1c61be10bf5

1950382885877 has 2 divisors, whose sum is σ = 1950382885878. Its totient is φ = 1950382885876.

The previous prime is 1950382885811. The next prime is 1950382885879. The reversal of 1950382885877 is 7785882830591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1908337793476 + 42045092401 = 1381426^2 + 205049^2 .

It is a cyclic number.

It is not a de Polignac number, because 1950382885877 - 220 = 1950381837301 is a prime.

Together with 1950382885879, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1950382885877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1950382885879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975191442938 + 975191442939.

It is an arithmetic number, because the mean of its divisors is an integer number (975191442939).

Almost surely, 21950382885877 is an apocalyptic number.

It is an amenable number.

1950382885877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1950382885877 is an equidigital number, since it uses as much as digits as its factorization.

1950382885877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270950400, while the sum is 71.

The spelling of 1950382885877 in words is "one trillion, nine hundred fifty billion, three hundred eighty-two million, eight hundred eighty-five thousand, eight hundred seventy-seven".