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2030142949 is a prime number
BaseRepresentation
bin111100100000001…
…1000010111100101
312020111001221120121
41321000120113211
513124204033244
6533241001541
7101210634052
oct17100302745
95214057517
102030142949
11951a6549a
12487a832b1
1326479c423
141538a4029
15bd368c84
hex790185e5

2030142949 has 2 divisors, whose sum is σ = 2030142950. Its totient is φ = 2030142948.

The previous prime is 2030142929. The next prime is 2030143019. The reversal of 2030142949 is 9492410302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1681574049 + 348568900 = 41007^2 + 18670^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030142949 - 29 = 2030142437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2030142929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015071474 + 1015071475.

It is an arithmetic number, because the mean of its divisors is an integer number (1015071475).

Almost surely, 22030142949 is an apocalyptic number.

It is an amenable number.

2030142949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030142949 is an equidigital number, since it uses as much as digits as its factorization.

2030142949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2030142949 is about 45057.1076413034. The cubic root of 2030142949 is about 1266.2191372455.

The spelling of 2030142949 in words is "two billion, thirty million, one hundred forty-two thousand, nine hundred forty-nine".