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2513273989 is a prime number
BaseRepresentation
bin1001010111001101…
…1000010010000101
320111011011112202211
42111303120102011
520121344231424
61053220103421
7116165322262
oct22563302205
96434145684
102513273989
11107a74aa46
125a1834b71
133108c9295
1419bb08269
15ea99db94
hex95cd8485

2513273989 has 2 divisors, whose sum is σ = 2513273990. Its totient is φ = 2513273988.

The previous prime is 2513273957. The next prime is 2513274013. The reversal of 2513273989 is 9893723152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1508700964 + 1004573025 = 38842^2 + 31695^2 .

It is a cyclic number.

It is not a de Polignac number, because 2513273989 - 25 = 2513273957 is a prime.

It is a super-3 number, since 3×25132739893 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2513273909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256636994 + 1256636995.

It is an arithmetic number, because the mean of its divisors is an integer number (1256636995).

Almost surely, 22513273989 is an apocalyptic number.

It is an amenable number.

2513273989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2513273989 is an equidigital number, since it uses as much as digits as its factorization.

2513273989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 2513273989 is about 50132.5641574416. The cubic root of 2513273989 is about 1359.6066460809.

The spelling of 2513273989 in words is "two billion, five hundred thirteen million, two hundred seventy-three thousand, nine hundred eighty-nine".