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14189898990 = 2352346344417
BaseRepresentation
bin11010011011100100…
…01010110011101110
31100121220210120000110
431031302022303232
5213030103231430
610304014440450
71011432102621
oct151562126356
940556716013
1014189898990
116021912153
122900203126
131451a6a647
149887c9db8
15580b447b0
hex34dc8acee

14189898990 has 64 divisors (see below), whose sum is σ = 35613997056. Its totient is φ = 3611553792.

The previous prime is 14189898973. The next prime is 14189899001. The reversal of 14189898990 is 9989898141.

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 31 ways as a sum of consecutive naturals, for example, 297262 + ... + 341678.

It is an arithmetic number, because the mean of its divisors is an integer number (556468704).

Almost surely, 214189898990 is an apocalyptic number.

14189898990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14189898990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17806998528).

14189898990 is an abundant number, since it is smaller than the sum of its proper divisors (21424098066).

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

14189898990 is a wasteful number, since it uses less digits than its factorization.

14189898990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44913.

The product of its (nonzero) digits is 13436928, while the sum is 66.

The spelling of 14189898990 in words is "fourteen billion, one hundred eighty-nine million, eight hundred ninety-eight thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 463 690 926 1389 2315 2778 4630 6945 10649 13890 21298 31947 44417 53245 63894 88834 106490 133251 159735 222085 266502 319470 444170 666255 1021591 1332510 2043182 3064773 5107955 6129546 10215910 15323865 20565071 30647730 41130142 61695213 102825355 123390426 205650710 308476065 472996633 616952130 945993266 1418989899 2364983165 2837979798 4729966330 7094949495 14189898990