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6874121101 is a prime number
BaseRepresentation
bin1100110011011101…
…01100001110001101
3122202001212112101211
412121232230032031
5103034233333401
63054040134421
7332230031251
oct63156541615
918661775354
106874121101
112a08297a21
1213ba167411
138572011a3
14492d50261
152a3751951
hex199bac38d

6874121101 has 2 divisors, whose sum is σ = 6874121102. Its totient is φ = 6874121100.

The previous prime is 6874121099. The next prime is 6874121129. The reversal of 6874121101 is 1011214786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6872244201 + 1876900 = 82899^2 + 1370^2 .

It is a cyclic number.

It is not a de Polignac number, because 6874121101 - 21 = 6874121099 is a prime.

It is a super-2 number, since 2×68741211012 = 94507081822426904402, which contains 22 as substring.

Together with 6874121099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6874121201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3437060550 + 3437060551.

It is an arithmetic number, because the mean of its divisors is an integer number (3437060551).

Almost surely, 26874121101 is an apocalyptic number.

It is an amenable number.

6874121101 is a deficient number, since it is larger than the sum of its proper divisors (1).

6874121101 is an equidigital number, since it uses as much as digits as its factorization.

6874121101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 6874121101 is about 82910.3196291029. The cubic root of 6874121101 is about 1901.3951987793.

Adding to 6874121101 its reverse (1011214786), we get a palindrome (7885335887).

The spelling of 6874121101 in words is "six billion, eight hundred seventy-four million, one hundred twenty-one thousand, one hundred one".