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4902195257 is a prime number
BaseRepresentation
bin1001001000011000…
…11001000000111001
3110122122100022200022
410210030121000321
540014430222012
62130235020225
7232323654311
oct44414310071
913578308608
104902195257
112096185943
12b4989a675
1360180636b
143470c2441
151da587472
hex124319039

4902195257 has 2 divisors, whose sum is σ = 4902195258. Its totient is φ = 4902195256.

The previous prime is 4902195247. The next prime is 4902195271. The reversal of 4902195257 is 7525912094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3048806656 + 1853388601 = 55216^2 + 43051^2 .

It is a cyclic number.

It is not a de Polignac number, because 4902195257 - 24 = 4902195241 is a prime.

It is not a weakly prime, because it can be changed into another prime (4902195247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2451097628 + 2451097629.

It is an arithmetic number, because the mean of its divisors is an integer number (2451097629).

Almost surely, 24902195257 is an apocalyptic number.

It is an amenable number.

4902195257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4902195257 is an equidigital number, since it uses as much as digits as its factorization.

4902195257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 4902195257 is about 70015.6786512850. The cubic root of 4902195257 is about 1698.7528635130.

The spelling of 4902195257 in words is "four billion, nine hundred two million, one hundred ninety-five thousand, two hundred fifty-seven".