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2151000793 is a prime number
BaseRepresentation
bin1000000000110101…
…1010101011011001
312112220111011101001
42000031122223121
513401124011133
6553235225001
7104206130224
oct20015325331
95486434331
102151000793
11a04202807
12500448161
13283836946
141659645bb
15c8c8d87d
hex8035aad9

2151000793 has 2 divisors, whose sum is σ = 2151000794. Its totient is φ = 2151000792.

The previous prime is 2151000781. The next prime is 2151000799. The reversal of 2151000793 is 3970001512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1868659984 + 282340809 = 43228^2 + 16803^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151000793 - 225 = 2117446361 is a prime.

It is a super-2 number, since 2×21510007932 = 9253608822973257698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2151000799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075500396 + 1075500397.

It is an arithmetic number, because the mean of its divisors is an integer number (1075500397).

Almost surely, 22151000793 is an apocalyptic number.

It is an amenable number.

2151000793 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151000793 is an equidigital number, since it uses as much as digits as its factorization.

2151000793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 2151000793 is about 46378.8830503711. The cubic root of 2151000793 is about 1290.8631110629.

The spelling of 2151000793 in words is "two billion, one hundred fifty-one million, seven hundred ninety-three", and thus it is an aban number.