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2131101200 = 245231171863
BaseRepresentation
bin111111100000110…
…0000011000010000
312111112001011021002
41333001200120100
513331030214300
6551244521132
7103545030014
oct17701403020
95445034232
102131101200
119a3a50968
124b58501a8
1327c68a137
14163064544
15c715c5d5
hex7f060610

2131101200 has 60 divisors (see below), whose sum is σ = 5285161728. Its totient is φ = 824937600.

The previous prime is 2131101151. The next prime is 2131101211. The reversal of 2131101200 is 21011312.

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, 73532 + ... + 98331.

Almost surely, 22131101200 is an apocalyptic number.

2131101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131101200 is an abundant number, since it is smaller than the sum of its proper divisors (3154060528).

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

2131101200 is a wasteful number, since it uses less digits than its factorization.

2131101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171912 (or 171901 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2131101200 is about 46163.8516590633. The cubic root of 2131101200 is about 1286.8700434092.

Adding to 2131101200 its reverse (21011312), we get a palindrome (2152112512).

The spelling of 2131101200 in words is "two billion, one hundred thirty-one million, one hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 31 40 50 62 80 100 124 155 200 248 310 400 496 620 775 1240 1550 2480 3100 6200 12400 171863 343726 687452 859315 1374904 1718630 2749808 3437260 4296575 5327753 6874520 8593150 10655506 13749040 17186300 21311012 26638765 34372600 42622024 53277530 68745200 85244048 106555060 133193825 213110120 266387650 426220240 532775300 1065550600 2131101200