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102001011113009 is a prime number
BaseRepresentation
bin10111001100010011110110…
…000010001011110000110001
3111101011012102211202020112202
4113030103312002023300301
5101332141032321104014
61000534341223232545
730325221100024541
oct2714236602136061
9441135384666482
10102001011113009
112a556427681148
12b5345902a8755
1344bb867008828
141b28c37aa3321
15bbd4314263de
hex5cc4f608bc31

102001011113009 has 2 divisors, whose sum is σ = 102001011113010. Its totient is φ = 102001011113008.

The previous prime is 102001011113003. The next prime is 102001011113011. The reversal of 102001011113009 is 900311110100201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75337678153984 + 26663332959025 = 8679728^2 + 5163655^2 .

It is an emirp because it is prime and its reverse (900311110100201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102001011113009 - 28 = 102001011112753 is a prime.

Together with 102001011113011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102001011113003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000505556504 + 51000505556505.

It is an arithmetic number, because the mean of its divisors is an integer number (51000505556505).

Almost surely, 2102001011113009 is an apocalyptic number.

It is an amenable number.

102001011113009 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001011113009 is an equidigital number, since it uses as much as digits as its factorization.

102001011113009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 102001011113009 in words is "one hundred two trillion, one billion, eleven million, one hundred thirteen thousand, nine".