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214590090820 = 225710335342157
BaseRepresentation
bin1100011111011010010…
…0001110111001000100
3202111220011010002111111
43013312210032321010
512003440030401240
6242325322214404
721334512450640
oct3076644167104
9674804102444
10214590090820
118300956a3a6
1235709954404
131730ac67501
14a559ac1c20
1558ae2b91ea
hex31f690ee44

214590090820 has 96 divisors (see below), whose sum is σ = 521501879808. Its totient is φ = 72651313152.

The previous prime is 214590090791. The next prime is 214590090863. The reversal of 214590090820 is 28090095412.

214590090820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5069182 + ... + 5111338.

It is an arithmetic number, because the mean of its divisors is an integer number (5432311248).

Almost surely, 2214590090820 is an apocalyptic number.

214590090820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214590090820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260750939904).

214590090820 is an abundant number, since it is smaller than the sum of its proper divisors (306911788988).

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

214590090820 is a wasteful number, since it uses less digits than its factorization.

214590090820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42629 (or 42627 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 214590090820 in words is "two hundred fourteen billion, five hundred ninety million, ninety thousand, eight hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 103 140 206 353 412 515 706 721 1030 1412 1442 1765 2060 2471 2884 3530 3605 4942 7060 7210 9884 12355 14420 24710 36359 42157 49420 72718 84314 145436 168628 181795 210785 254513 295099 363590 421570 509026 590198 727180 843140 1018052 1180396 1272565 1475495 2545130 2950990 4342171 5090260 5901980 8684342 14881421 17368684 21710855 29762842 30395197 43421710 59525684 60790394 74407105 86843420 104169947 121580788 148814210 151975985 208339894 297628420 303951970 416679788 520849735 607903940 1041699470 1532786363 2083398940 3065572726 6131145452 7663931815 10729504541 15327863630 21459009082 30655727260 42918018164 53647522705 107295045410 214590090820