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6992111123 = 101386317921
BaseRepresentation
bin1101000001100001…
…10010011000010011
3200001021220001021122
412200300302120103
5103304440023443
63113453112455
7335161651424
oct64060623023
920037801248
106992111123
112a68956638
12143178872b
138757a327a
144a48a564b
152adcab968
hex1a0c32613

6992111123 has 8 divisors (see below), whose sum is σ = 7063562016. Its totient is φ = 6920704000.

The previous prime is 6992111117. The next prime is 6992111129. The reversal of 6992111123 is 3211112996.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6992111117) and next prime (6992111129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6992111123 - 24 = 6992111107 is a prime.

It is a super-2 number, since 2×69921111232 = 97779235912760642258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6992111129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381203 + ... + 399123.

It is an arithmetic number, because the mean of its divisors is an integer number (882945252).

Almost surely, 26992111123 is an apocalyptic number.

6992111123 is a deficient number, since it is larger than the sum of its proper divisors (71450893).

6992111123 is a wasteful number, since it uses less digits than its factorization.

6992111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21885.

The product of its digits is 5832, while the sum is 35.

The square root of 6992111123 is about 83618.8443055750. The cubic root of 6992111123 is about 1912.2122993717.

The spelling of 6992111123 in words is "six billion, nine hundred ninety-two million, one hundred eleven thousand, one hundred twenty-three".

Divisors: 1 101 3863 17921 390163 1810021 69228823 6992111123