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18363810101 = 713316509681
BaseRepresentation
bin10001000110100100…
…011000000100110101
31202101210202012122212
4101012210120010311
5300102113410401
612234120103205
71220033544650
oct210644300465
952353665585
1018363810101
11787398a36a
123686004b05
131968710630
14c62c90897
157272bddbb
hex446918135

18363810101 has 16 divisors (see below), whose sum is σ = 23330700288. Its totient is φ = 14060908800.

The previous prime is 18363810079. The next prime is 18363810107. The reversal of 18363810101 is 10101836381.

It is a cyclic number.

It is not a de Polignac number, because 18363810101 - 26 = 18363810037 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18363810107) 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 15 ways as a sum of consecutive naturals, for example, 3252020 + ... + 3257661.

It is an arithmetic number, because the mean of its divisors is an integer number (1458168768).

Almost surely, 218363810101 is an apocalyptic number.

It is an amenable number.

18363810101 is a deficient number, since it is larger than the sum of its proper divisors (4966890187).

18363810101 is a wasteful number, since it uses less digits than its factorization.

18363810101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6509732.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 18363810101 in words is "eighteen billion, three hundred sixty-three million, eight hundred ten thousand, one hundred one".

Divisors: 1 7 13 31 91 217 403 2821 6509681 45567767 84625853 201800111 592380971 1412600777 2623401443 18363810101