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11020103023 = 15770191739
BaseRepresentation
bin10100100001101100…
…10110110101101111
31001110000021020101211
422100312112311233
5140032121244043
65021303015251
7540042221146
oct122066266557
931400236354
1011020103023
114745619566
12217673a527
131068145927
1476782475d
15447710a9d
hex290d96d6f

11020103023 has 4 divisors (see below), whose sum is σ = 11090294920. Its totient is φ = 10949911128.

The previous prime is 11020103021. The next prime is 11020103161. The reversal of 11020103023 is 32030102011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32030102011 = 104930533939.

It is a cyclic number.

It is not a de Polignac number, because 11020103023 - 21 = 11020103021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020102994 and 11020103012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020103021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35095713 + ... + 35096026.

It is an arithmetic number, because the mean of its divisors is an integer number (2772573730).

Almost surely, 211020103023 is an apocalyptic number.

11020103023 is a deficient number, since it is larger than the sum of its proper divisors (70191897).

11020103023 is an equidigital number, since it uses as much as digits as its factorization.

11020103023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70191896.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11020103023 its reverse (32030102011), we get a palindrome (43050205034).

The spelling of 11020103023 in words is "eleven billion, twenty million, one hundred three thousand, twenty-three".

Divisors: 1 157 70191739 11020103023