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2190210081700 = 2252107661309671
BaseRepresentation
bin11111110111110010101…
…100011010001110100100
321202101022111200011020211
4133313302230122032210
5241341022240103300
64354100231105204
7314144306344144
oct37676254321644
97671274604224
102190210081700
11774954546513
122b4588b12204
1312b6c7570184
1478014696924
153be8bc404ba
hex1fdf2b1a3a4

2190210081700 has 72 divisors (see below), whose sum is σ = 4804447120704. Its totient is φ = 866580528000.

The previous prime is 2190210081673. The next prime is 2190210081767. The reversal of 2190210081700 is 71800120912.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6917865 + ... + 7227535.

It is an arithmetic number, because the mean of its divisors is an integer number (66728432232).

Almost surely, 22190210081700 is an apocalyptic number.

2190210081700 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 2190210081700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2402223560352).

2190210081700 is an abundant number, since it is smaller than the sum of its proper divisors (2614237039004).

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

2190210081700 is a wasteful number, since it uses less digits than its factorization.

2190210081700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310453 (or 310446 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 31.

The spelling of 2190210081700 in words is "two trillion, one hundred ninety billion, two hundred ten million, eighty-one thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 107 214 428 535 661 1070 1322 2140 2644 2675 3305 5350 6610 10700 13220 16525 33050 66100 70727 141454 282908 309671 353635 619342 707270 1238684 1414540 1548355 1768175 3096710 3536350 6193420 7072700 7741775 15483550 30967100 33134797 66269594 132539188 165673985 204692531 331347970 409385062 662695940 818770124 828369925 1023462655 1656739850 2046925310 3313479700 4093850620 5117313275 10234626550 20469253100 21902100817 43804201634 87608403268 109510504085 219021008170 438042016340 547552520425 1095105040850 2190210081700