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8212603939 is a prime number
BaseRepresentation
bin1111010011000001…
…00110010000100011
3210012100110111200021
413221200212100203
5113304411311224
63434532334311
7410341660501
oct75140462043
923170414607
108212603939
113534889991
121712474397
13a0b5c1277
1457ca0b671
15330ee41e4
hex1e9826423

8212603939 has 2 divisors, whose sum is σ = 8212603940. Its totient is φ = 8212603938.

The previous prime is 8212603937. The next prime is 8212604039. The reversal of 8212603939 is 9393062128.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8212603939 - 21 = 8212603937 is a prime.

Together with 8212603937, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 8212603895 and 8212603904.

It is not a weakly prime, because it can be changed into another prime (8212603937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4106301969 + 4106301970.

It is an arithmetic number, because the mean of its divisors is an integer number (4106301970).

Almost surely, 28212603939 is an apocalyptic number.

8212603939 is a deficient number, since it is larger than the sum of its proper divisors (1).

8212603939 is an equidigital number, since it uses as much as digits as its factorization.

8212603939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 8212603939 is about 90623.4182703345. The cubic root of 8212603939 is about 2017.5623258683.

The spelling of 8212603939 in words is "eight billion, two hundred twelve million, six hundred three thousand, nine hundred thirty-nine".