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1950387853 is a prime number
BaseRepresentation
bin111010001000000…
…1000111010001101
312000220222222011011
41310100020322031
512443244402403
6521311325221
766222010651
oct16420107215
95026888134
101950387853
11910a41297
12465220811
132510c666b
14147062a61
15b6362a6d
hex74408e8d

1950387853 has 2 divisors, whose sum is σ = 1950387854. Its totient is φ = 1950387852.

The previous prime is 1950387841. The next prime is 1950387877. The reversal of 1950387853 is 3587830591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1729062724 + 221325129 = 41582^2 + 14877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1950387853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1950387797 and 1950387806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1950337853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975193926 + 975193927.

It is an arithmetic number, because the mean of its divisors is an integer number (975193927).

Almost surely, 21950387853 is an apocalyptic number.

It is an amenable number.

1950387853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1950387853 is an equidigital number, since it uses as much as digits as its factorization.

1950387853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 1950387853 is about 44163.1956837365. The cubic root of 1950387853 is about 1249.4158023197.

The spelling of 1950387853 in words is "one billion, nine hundred fifty million, three hundred eighty-seven thousand, eight hundred fifty-three".