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1020311100223 = 29137256811251
BaseRepresentation
bin11101101100011110100…
…01111101101100111111
310121112121020100020000021
432312033101331230333
5113204044120201343
62100420251513011
7133500155153452
oct16661721755477
93545536306007
101020311100223
11363791020138
121458b0158767
13752a425983c
1437551b91499
151b8199850ed
hexed8f47db3f

1020311100223 has 8 divisors (see below), whose sum is σ = 1063198583280. Its totient is φ = 977937240000.

The previous prime is 1020311100191. The next prime is 1020311100227. The reversal of 1020311100223 is 3220011130201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020311100223 - 25 = 1020311100191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020311100197 and 1020311100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020311100227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128401653 + ... + 128409598.

It is an arithmetic number, because the mean of its divisors is an integer number (132899822910).

Almost surely, 21020311100223 is an apocalyptic number.

1020311100223 is a deficient number, since it is larger than the sum of its proper divisors (42887483057).

1020311100223 is a wasteful number, since it uses less digits than its factorization.

1020311100223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256811417.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1020311100223 its reverse (3220011130201), we get a palindrome (4240322230424).

The spelling of 1020311100223 in words is "one trillion, twenty billion, three hundred eleven million, one hundred thousand, two hundred twenty-three".

Divisors: 1 29 137 3973 256811251 7447526279 35183141387 1020311100223