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2512999997 is a prime number
BaseRepresentation
bin1001010111001001…
…0101011000111101
320111010122121220222
42111302111120331
520121311444442
61053210151125
7116163101414
oct22562253075
96433577828
102512999997
11107a583102
125a17224a5
13310831661
1419ba7647b
15ea9478d2
hex95c9563d

2512999997 has 2 divisors, whose sum is σ = 2512999998. Its totient is φ = 2512999996.

The previous prime is 2512999969. The next prime is 2513000011. The reversal of 2512999997 is 7999992152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1942076761 + 570923236 = 44069^2 + 23894^2 .

It is a cyclic number.

It is not a de Polignac number, because 2512999997 - 228 = 2244564541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2512999397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256499998 + 1256499999.

It is an arithmetic number, because the mean of its divisors is an integer number (1256499999).

Almost surely, 22512999997 is an apocalyptic number.

It is an amenable number.

2512999997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512999997 is an equidigital number, since it uses as much as digits as its factorization.

2512999997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8266860, while the sum is 62.

The square root of 2512999997 is about 50129.8314080548. The cubic root of 2512999997 is about 1359.5572371049.

The spelling of 2512999997 in words is "two billion, five hundred twelve million, nine hundred ninety-nine thousand, nine hundred ninety-seven".