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102312023213 = 1919128192897
BaseRepresentation
bin101111101001001000…
…1011001010010101101
3100210002022010021212002
41133102101121102231
53134013334220323
6115000153422045
710251246563651
oct1372221312255
9323068107762
10102312023213
113a432519394
12179b410a925
13985680430a
144d4813ca61
1529dc1d3828
hex17d24594ad

102312023213 has 8 divisors (see below), whose sum is σ = 108260728320. Its totient is φ = 96419704320.

The previous prime is 102312023207. The next prime is 102312023267. The reversal of 102312023213 is 312320213201.

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

It is not a de Polignac number, because 102312023213 - 24 = 102312023197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102312026213) 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 7 ways as a sum of consecutive naturals, for example, 14092820 + ... + 14100077.

It is an arithmetic number, because the mean of its divisors is an integer number (13532591040).

Almost surely, 2102312023213 is an apocalyptic number.

It is an amenable number.

102312023213 is a deficient number, since it is larger than the sum of its proper divisors (5948705107).

102312023213 is a wasteful number, since it uses less digits than its factorization.

102312023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28193107.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102312023213 its reverse (312320213201), we get a palindrome (414632236414).

The spelling of 102312023213 in words is "one hundred two billion, three hundred twelve million, twenty-three thousand, two hundred thirteen".

Divisors: 1 19 191 3629 28192897 535665043 5384843327 102312023213