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2878379983 is a prime number
BaseRepresentation
bin1010101110010000…
…1001011111001111
321102121011212001001
42223210021133033
521343331124413
61153341401131
7131220553243
oct25344113717
97377155031
102878379983
111247852536
12683b691a7
1336b44112b
141d43c8423
1511ca6d4dd
hexab9097cf

2878379983 has 2 divisors, whose sum is σ = 2878379984. Its totient is φ = 2878379982.

The previous prime is 2878379927. The next prime is 2878379989. The reversal of 2878379983 is 3899738782.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2878379983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2878379989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439189991 + 1439189992.

It is an arithmetic number, because the mean of its divisors is an integer number (1439189992).

Almost surely, 22878379983 is an apocalyptic number.

2878379983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878379983 is an equidigital number, since it uses as much as digits as its factorization.

2878379983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36578304, while the sum is 64.

The square root of 2878379983 is about 53650.5357195993. The cubic root of 2878379983 is about 1422.4905019633.

The spelling of 2878379983 in words is "two billion, eight hundred seventy-eight million, three hundred seventy-nine thousand, nine hundred eighty-three".