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18342198104230 = 2571113431971991087
BaseRepresentation
bin1000010101110101000000…
…01100111101000010100110
32101221111102022201111002001
410022322200030331002212
54401004310203313410
6103002142310035514
73602115524302150
oct412724014750246
971844368644061
1018342198104230
115931978716860
122082a11048b9a
13a3087b14a310
1521c1c8ee433a
hex10aea033d0a6

18342198104230 has 512 divisors, whose sum is σ = 45861529190400. Its totient is φ = 5097918228480.

The previous prime is 18342198104183. The next prime is 18342198104317. The reversal of 18342198104230 is 3240189124381.

18342198104230 is a nontrivial binomial coefficient, being equal to C(6056765, 2).

It is a congruent number.

It is an unprimeable number.

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 255 ways as a sum of consecutive naturals, for example, 16874146747 + ... + 16874147833.

It is an arithmetic number, because the mean of its divisors is an integer number (89573299200).

Almost surely, 218342198104230 is an apocalyptic number.

18342198104230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18342198104230 is the 6056764-th triangular number and also the 2141390-th decagonal number.

18342198104230 is the 2018922-nd centered nonagonal number.

18342198104230 is an abundant number, since it is smaller than the sum of its proper divisors (27519331086170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18342198104230 is a wasteful number, since it uses less digits than its factorization.

18342198104230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 18342198104230 in words is "eighteen trillion, three hundred forty-two billion, one hundred ninety-eight million, one hundred four thousand, two hundred thirty".