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100220312023 = 137709254771
BaseRepresentation
bin101110101010110011…
…0001001100111010111
3100120200112012100112021
41131111212021213113
53120222344441043
6114012433034011
710145360411416
oct1352546114727
9316615170467
10100220312023
1139559831857
121750b6b5907
1395b23591a0
144bca40d47d
1529187573ed
hex17559899d7

100220312023 has 4 divisors (see below), whose sum is σ = 107929566808. Its totient is φ = 92511057240.

The previous prime is 100220312011. The next prime is 100220312029. The reversal of 100220312023 is 320213022001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320213022001 = 2811139548121.

It is a cyclic number.

It is not a de Polignac number, because 100220312023 - 29 = 100220311511 is a prime.

It is a super-2 number, since 2×1002203120232 (a number of 23 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 = 100220311988 and 100220312006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220312029) 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, 3854627373 + ... + 3854627398.

It is an arithmetic number, because the mean of its divisors is an integer number (26982391702).

Almost surely, 2100220312023 is an apocalyptic number.

100220312023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100220312023 is a deficient number, since it is larger than the sum of its proper divisors (7709254785).

100220312023 is an equidigital number, since it uses as much as digits as its factorization.

100220312023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7709254784.

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

Adding to 100220312023 its reverse (320213022001), we get a palindrome (420433334024).

The spelling of 100220312023 in words is "one hundred billion, two hundred twenty million, three hundred twelve thousand, twenty-three".

Divisors: 1 13 7709254771 100220312023