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2078989096900 = 225223262692
BaseRepresentation
bin11110010000001101011…
…010000001011111000100
321100202020022202201121111
4132100031122001133010
5233030232202100100
64231024023254404
7303126200515222
oct36201532013704
97322208681544
102078989096900
11731770167461
12296b092aa404
13121081112371
14728a327db12
153912c8646ba
hex1e40d6817c4

2078989096900 has 81 divisors (see below), whose sum is σ = 4716835026631. Its totient is φ = 795312422080.

The previous prime is 2078989096861. The next prime is 2078989096901. The reversal of 2078989096900 is 96909898702.

The square root of 2078989096900 is 1441870.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 217008768964 + 1861980327936 = 465842^2 + 1364544^2 .

It is a super-2 number, since 2×20789890969002 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2078989096901) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 331626966 + ... + 331633234.

Almost surely, 22078989096900 is an apocalyptic number.

2078989096900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2078989096900 is the 1441870-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2078989096900

2078989096900 is an abundant number, since it is smaller than the sum of its proper divisors (2637845929731).

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

2078989096900 is an frugal number, since it uses more digits than its factorization.

2078989096900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12598 (or 6299 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 67.

The spelling of 2078989096900 in words is "two trillion, seventy-eight billion, nine hundred eighty-nine million, ninety-six thousand, nine hundred".

Divisors: 1 2 4 5 10 20 23 25 46 50 92 100 115 230 460 529 575 1058 1150 2116 2300 2645 5290 6269 10580 12538 13225 25076 26450 31345 52900 62690 125380 144187 156725 288374 313450 576748 626900 720935 1441870 2883740 3316301 3604675 6632602 7209350 13265204 14418700 16581505 33163010 39300361 66326020 78600722 82907525 157201444 165815050 196501805 331630100 393003610 786007220 903908303 982509025 1807816606 1965018050 3615633212 3930036100 4519541515 9039083030 18078166060 20789890969 22597707575 41579781938 45195415150 83159563876 90390830300 103949454845 207898909690 415797819380 519747274225 1039494548450 2078989096900