Search a number
-
+
10210020020000 = 2554510501001
BaseRepresentation
bin1001010010010011010010…
…0111011100111100100000
31100011001211211221200201122
42110210310213130330200
52314240110111120000
633414230214551412
72102435546144513
oct224446447347440
940131754850648
1010210020020000
113287055143589
12118a92b068568
13590a543543c8
1427424bca4d7a
1512a8bcdcc085
hex949349dcf20

10210020020000 has 60 divisors (see below), whose sum is σ = 25118180801406. Its totient is φ = 4084008000000.

The previous prime is 10210020019993. The next prime is 10210020020071. The reversal of 10210020020000 is 2002001201.

It can be written as a sum of positive squares in 5 ways, for example, as 984294157456 + 9225725862544 = 992116^2 + 3037388^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 10210020020000.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 255230501 + ... + 255270500.

Almost surely, 210210020020000 is an apocalyptic number.

10210020020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210020020000 is an abundant number, since it is smaller than the sum of its proper divisors (14908160781406).

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

10210020020000 is an frugal number, since it uses more digits than its factorization.

10210020020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510501031 (or 510501008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 10210020020000 its reverse (2002001201), we get a palindrome (10212022021201).

The spelling of 10210020020000 in words is "ten trillion, two hundred ten billion, twenty million, twenty 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 4000 5000 10000 20000 510501001 1021002002 2042004004 2552505005 4084008008 5105010010 8168016016 10210020020 12762525025 16336032032 20420040040 25525050050 40840080080 51050100100 63812625125 81680160160 102100200200 127625250250 204200400400 255250500500 319063125625 408400800800 510501001000 638126251250 1021002002000 1276252502500 2042004004000 2552505005000 5105010010000 10210020020000