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102321030023 = 172354052007
BaseRepresentation
bin101111101001011001…
…1110000001110000111
3100210002221001212212122
41133102303300032013
53134023140430043
6115001114440155
710251416255612
oct1372263601607
9323087055778
10102321030023
113a437610333
12179b713305b
139858638aa4
144d49405179
1529dcdb2368
hex17d2cf0387

102321030023 has 6 divisors (see below), whose sum is σ = 108693966456. Its totient is φ = 96302145632.

The previous prime is 102321030013. The next prime is 102321030037. The reversal of 102321030023 is 320030123201.

It is not a de Polignac number, because 102321030023 - 212 = 102321025927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102321029983 and 102321030010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102321030013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177025715 + ... + 177026292.

It is an arithmetic number, because the mean of its divisors is an integer number (18115661076).

Almost surely, 2102321030023 is an apocalyptic number.

102321030023 is a deficient number, since it is larger than the sum of its proper divisors (6372936433).

102321030023 is an equidigital number, since it uses as much as digits as its factorization.

102321030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354052041 (or 354052024 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 102321030023 its reverse (320030123201), we get a palindrome (422351153224).

The spelling of 102321030023 in words is "one hundred two billion, three hundred twenty-one million, thirty thousand, twenty-three".

Divisors: 1 17 289 354052007 6018884119 102321030023