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7001011993 is a prime number
BaseRepresentation
bin1101000010100101…
…01111011100011001
3200001220122020222111
412201102233130121
5103314224340433
63114411552321
7335330422453
oct64122573431
920056566874
107001011993
112a72985a28
12143475b6a1
1387759b761
144a5b412d3
152ae968dcd
hex1a14af719

7001011993 has 2 divisors, whose sum is σ = 7001011994. Its totient is φ = 7001011992.

The previous prime is 7001011991. The next prime is 7001012059. The reversal of 7001011993 is 3991101007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5871850384 + 1129161609 = 76628^2 + 33603^2 .

It is a cyclic number.

It is not a de Polignac number, because 7001011993 - 21 = 7001011991 is a prime.

It is a super-2 number, since 2×70010119932 = 98028337852259664098, which contains 22 as substring.

Together with 7001011991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7001011991) 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, 3500505996 + 3500505997.

It is an arithmetic number, because the mean of its divisors is an integer number (3500505997).

Almost surely, 27001011993 is an apocalyptic number.

It is an amenable number.

7001011993 is a deficient number, since it is larger than the sum of its proper divisors (1).

7001011993 is an equidigital number, since it uses as much as digits as its factorization.

7001011993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 7001011993 is about 83672.0502497698. The cubic root of 7001011993 is about 1913.0233627573.

The spelling of 7001011993 in words is "seven billion, one million, eleven thousand, nine hundred ninety-three".