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2803919137 is a prime number
BaseRepresentation
bin1010011100100000…
…0110100100100001
321020102001211221221
42213020012210201
521220300403022
61142121415041
7126324630235
oct24710064441
97212054857
102803919137
111209814a48
1266303a481
13358ba0066
141c85645c5
15116260cc7
hexa7206921

2803919137 has 2 divisors, whose sum is σ = 2803919138. Its totient is φ = 2803919136.

The previous prime is 2803919119. The next prime is 2803919141. The reversal of 2803919137 is 7319193082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1720258576 + 1083660561 = 41476^2 + 32919^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2803919137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2803919093 and 2803919102.

It is not a weakly prime, because it can be changed into another prime (2803919177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401959568 + 1401959569.

It is an arithmetic number, because the mean of its divisors is an integer number (1401959569).

Almost surely, 22803919137 is an apocalyptic number.

It is an amenable number.

2803919137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2803919137 is an equidigital number, since it uses as much as digits as its factorization.

2803919137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 2803919137 is about 52952.0456356504. The cubic root of 2803919137 is about 1410.1170429139.

The spelling of 2803919137 in words is "two billion, eight hundred three million, nine hundred nineteen thousand, one hundred thirty-seven".