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31250000200 = 2352374222973
BaseRepresentation
bin11101000110101001…
…010010100101001000
32222122212101111021211
4131012221102211020
51003000000001300
622204523542504
72154255422206
oct350651224510
988585344254
1031250000200
11122868a0751
12608168aa34
132c40344aa3
141726472076
15c2d73e4ba
hex746a52948

31250000200 has 48 divisors (see below), whose sum is σ = 74619950580. Its totient is φ = 12162159360.

The previous prime is 31250000189. The next prime is 31250000261. The reversal of 31250000200 is 200005213.

It can be written as a sum of positive squares in 6 ways, for example, as 24782945476 + 6467054724 = 157426^2 + 80418^2 .

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, 2104087 + ... + 2118886.

Almost surely, 231250000200 is an apocalyptic number.

It is an amenable number.

31250000200 is an abundant number, since it is smaller than the sum of its proper divisors (43369950380).

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

31250000200 is a wasteful number, since it uses less digits than its factorization.

31250000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223026 (or 4223017 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

Adding to 31250000200 its reverse (200005213), we get a palindrome (31450005413).

The spelling of 31250000200 in words is "thirty-one billion, two hundred fifty million, two hundred", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 20 25 37 40 50 74 100 148 185 200 296 370 740 925 1480 1850 3700 7400 4222973 8445946 16891892 21114865 33783784 42229730 84459460 105574325 156250001 168918920 211148650 312500002 422297300 625000004 781250005 844594600 1250000008 1562500010 3125000020 3906250025 6250000040 7812500050 15625000100 31250000200