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2130300121200 = 243522377184787
BaseRepresentation
bin11110111111111111110…
…010000011000001110000
321112122200021111211110220
4132333333302003001300
5234400323312334300
64310351340453040
7306623552155236
oct36777762030160
97478607454426
102130300121200
11751500977469
122a4a4924a180
13125b6a679bc4
147516db60956
153a632375da0
hex1efffc83070

2130300121200 has 120 divisors (see below), whose sum is σ = 7120759801728. Its totient is φ = 543380893440.

The previous prime is 2130300121151. The next prime is 2130300121277. The reversal of 2130300121200 is 21210030312.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2130300121200.

It is a congruent number.

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, 38564794 + ... + 38619993.

Almost surely, 22130300121200 is an apocalyptic number.

2130300121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130300121200 is an abundant number, since it is smaller than the sum of its proper divisors (4990459680528).

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

2130300121200 is a wasteful number, since it uses less digits than its factorization.

2130300121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77184831 (or 77184820 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2130300121200 its reverse (21210030312), we get a palindrome (2151510151512).

The spelling of 2130300121200 in words is "two trillion, one hundred thirty billion, three hundred million, one hundred twenty-one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 25 30 40 46 48 50 60 69 75 80 92 100 115 120 138 150 184 200 230 240 276 300 345 368 400 460 552 575 600 690 920 1104 1150 1200 1380 1725 1840 2300 2760 3450 4600 5520 6900 9200 13800 27600 77184787 154369574 231554361 308739148 385923935 463108722 617478296 771847870 926217444 1157771805 1234956592 1543695740 1775250101 1852434888 1929619675 2315543610 3087391480 3550500202 3704869776 3859239350 4631087220 5325750303 5788859025 6174782960 7101000404 7718478700 8876250505 9262174440 10651500606 11577718050 14202000808 15436957400 17752501010 18524348880 21303001212 23155436100 26628751515 28404001616 30873914800 35505002020 42606002424 44381252525 46310872200 53257503030 71010004040 85212004848 88762505050 92621744400 106515006060 133143757575 142020008080 177525010100 213030012120 266287515150 355050020200 426060024240 532575030300 710100040400 1065150060600 2130300121200