Search a number
-
+
120102100000 = 25551201021
BaseRepresentation
bin110111111011010100…
…1001001110000100000
3102111000010021211100221
41233312221021300200
53431432114200000
6131101340452424
711451146002021
oct1576651116040
9374003254327
10120102100000
1146a31560393
121b339b4a114
13b4303b497c
145b54b22c48
1531cde2261a
hex1bf6a49c20

120102100000 has 72 divisors (see below), whose sum is σ = 295545091716. Its totient is φ = 48040800000.

The previous prime is 120102099979. The next prime is 120102100049. The reversal of 120102100000 is 1201021.

It can be written as a sum of positive squares in 6 ways, for example, as 37321603344 + 82780496656 = 193188^2 + 287716^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500511 + ... + 700510.

Almost surely, 2120102100000 is an apocalyptic number.

120102100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120102100000 is an abundant number, since it is smaller than the sum of its proper divisors (175442991716).

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

120102100000 is an frugal number, since it uses more digits than its factorization.

120102100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201056 (or 1201028 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 120102100000 its reverse (1201021), we get a palindrome (120103301021).

120102100000 divided by its reverse (1201021) gives a 5-th power (100000 = 105).

The spelling of 120102100000 in words is "one hundred twenty billion, one hundred two million, one hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 20000 25000 50000 100000 1201021 2402042 4804084 6005105 9608168 12010210 19216336 24020420 30025525 38432672 48040840 60051050 96081680 120102100 150127625 192163360 240204200 300255250 480408400 600510500 750638125 960816800 1201021000 1501276250 2402042000 3002552500 3753190625 4804084000 6005105000 7506381250 12010210000 15012762500 24020420000 30025525000 60051050000 120102100000