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100011839869 is a prime number
BaseRepresentation
bin101110100100100101…
…0111001000101111101
3100120010222220212111101
41131021022321011331
53114311012333434
6113540024453101
710140246420034
oct1351112710575
9316128825441
10100011839869
1139462092617
121747191a191
13957b0c6896
144baa86371b
1529052c7b14
hex17492b917d

100011839869 has 2 divisors, whose sum is σ = 100011839870. Its totient is φ = 100011839868.

The previous prime is 100011839867. The next prime is 100011839881. The reversal of 100011839869 is 968938110001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92575364644 + 7436475225 = 304262^2 + 86235^2 .

It is an emirp because it is prime and its reverse (968938110001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100011839869 - 21 = 100011839867 is a prime.

It is a super-2 number, since 2×1000118398692 (a number of 23 digits) contains 22 as substring.

Together with 100011839867, 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 (100011839867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005919934 + 50005919935.

It is an arithmetic number, because the mean of its divisors is an integer number (50005919935).

Almost surely, 2100011839869 is an apocalyptic number.

It is an amenable number.

100011839869 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011839869 is an equidigital number, since it uses as much as digits as its factorization.

100011839869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 46.

The spelling of 100011839869 in words is "one hundred billion, eleven million, eight hundred thirty-nine thousand, eight hundred sixty-nine".