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10302020111 = 17606001183
BaseRepresentation
bin10011001100000110…
…00101101000001111
3222120222001211211102
421212003011220033
5132044304120421
64422132013315
7513202504025
oct114603055017
928528054742
1010302020111
114407249209
121bb616123b
13c824448b6
146da300715
1540466a60b
hex2660c5a0f

10302020111 has 4 divisors (see below), whose sum is σ = 10908021312. Its totient is φ = 9696018912.

The previous prime is 10302020093. The next prime is 10302020119. The reversal of 10302020111 is 11102020301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11102020301 = 19756355433.

It is a cyclic number.

It is not a de Polignac number, because 10302020111 - 222 = 10297825807 is a prime.

It is a super-2 number, since 2×103020201112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10302020092 and 10302020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302020119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303000575 + ... + 303000608.

It is an arithmetic number, because the mean of its divisors is an integer number (2727005328).

Almost surely, 210302020111 is an apocalyptic number.

10302020111 is a deficient number, since it is larger than the sum of its proper divisors (606001201).

10302020111 is an equidigital number, since it uses as much as digits as its factorization.

10302020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606001200.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10302020111 its reverse (11102020301), we get a palindrome (21404040412).

The spelling of 10302020111 in words is "ten billion, three hundred two million, twenty thousand, one hundred eleven".

Divisors: 1 17 606001183 10302020111