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2497150813 is a prime number
BaseRepresentation
bin1001010011010111…
…0111111101011101
320110000211101221011
42110311313331131
520103232311223
61051442335221
7115611301033
oct22465677535
96400741834
102497150813
111071638403
1259835a511
1330a472641
1419990c553
15e936680d
hex94d77f5d

2497150813 has 2 divisors, whose sum is σ = 2497150814. Its totient is φ = 2497150812.

The previous prime is 2497150771. The next prime is 2497150819. The reversal of 2497150813 is 3180517942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1655106489 + 842044324 = 40683^2 + 29018^2 .

It is a cyclic number.

It is not a de Polignac number, because 2497150813 - 221 = 2495053661 is a prime.

It is the 49972-nd Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2497150819) by changing a digit.

It is a nontrivial repunit in base 49971.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1248575406 + 1248575407.

It is an arithmetic number, because the mean of its divisors is an integer number (1248575407).

Almost surely, 22497150813 is an apocalyptic number.

It is an amenable number.

2497150813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2497150813 is an equidigital number, since it uses as much as digits as its factorization.

2497150813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 2497150813 is about 49971.5000075043. The cubic root of 2497150813 is about 1356.6930200785.

The spelling of 2497150813 in words is "two billion, four hundred ninety-seven million, one hundred fifty thousand, eight hundred thirteen".