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10020312223 = 731311047821
BaseRepresentation
bin10010101010100000…
…11101010010011111
3221212022222121020221
421111100131102133
5131010144442343
64334150022211
7503212151155
oct112520352237
927768877227
1010020312223
114282228979
121b37947967
13c38c7ca3c
146b0b2d3d5
153d9a715ed
hex25541d49f

10020312223 has 8 divisors (see below), whose sum is σ = 10235125296. Its totient is φ = 9807595200.

The previous prime is 10020312217. The next prime is 10020312229. The reversal of 10020312223 is 32221302001.

10020312223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10020312217) and next prime (10020312229).

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 10020312223 - 217 = 10020181151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020312197 and 10020312206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020312229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514348 + ... + 533473.

It is an arithmetic number, because the mean of its divisors is an integer number (1279390662).

Almost surely, 210020312223 is an apocalyptic number.

10020312223 is a deficient number, since it is larger than the sum of its proper divisors (214813073).

10020312223 is a wasteful number, since it uses less digits than its factorization.

10020312223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048025.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10020312223 its reverse (32221302001), we get a palindrome (42241614224).

The spelling of 10020312223 in words is "ten billion, twenty million, three hundred twelve thousand, two hundred twenty-three".

Divisors: 1 73 131 9563 1047821 76490933 137264551 10020312223