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2119948379 is a prime number
BaseRepresentation
bin111111001011011…
…1101100001011011
312110202001112110122
41332112331201123
513320201322004
6550205503455
7103351156343
oct17626754133
95422045418
102119948379
1199872365a
124b1b71b8b
1327a283933
1416179dd23
15c61a7cbe
hex7e5bd85b

2119948379 has 2 divisors, whose sum is σ = 2119948380. Its totient is φ = 2119948378.

The previous prime is 2119948291. The next prime is 2119948409. The reversal of 2119948379 is 9738499112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2119948379 - 224 = 2103171163 is a prime.

It is a super-3 number, since 3×21199483793 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2119948379.

It is not a weakly prime, because it can be changed into another prime (2119948679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059974189 + 1059974190.

It is an arithmetic number, because the mean of its divisors is an integer number (1059974190).

Almost surely, 22119948379 is an apocalyptic number.

2119948379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2119948379 is an equidigital number, since it uses as much as digits as its factorization.

2119948379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 53.

The square root of 2119948379 is about 46042.8971612343. The cubic root of 2119948379 is about 1284.6212309029.

The spelling of 2119948379 in words is "two billion, one hundred nineteen million, nine hundred forty-eight thousand, three hundred seventy-nine".