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3125008000 = 27531711489
BaseRepresentation
bin1011101001000011…
…1101011010000000
322001210020212002001
42322100331122000
522400000224000
61234031433344
7140304062332
oct27220753200
98053225061
103125008000
111363a92844
12732685854
133aa572a7a
14219067452
1513453846a
hexba43d680

3125008000 has 128 divisors (see below), whose sum is σ = 8227299600. Its totient is φ = 1176371200.

The previous prime is 3125007997. The next prime is 3125008039. The reversal of 3125008000 is 8005213.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 101767744 + 3023240256 = 10088^2 + 54984^2 .

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266256 + ... + 277744.

Almost surely, 23125008000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125008000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4113649800).

3125008000 is an abundant number, since it is smaller than the sum of its proper divisors (5102291600).

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

3125008000 is a wasteful number, since it uses less digits than its factorization.

3125008000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11535 (or 11513 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 3125008000 is about 55901.7709916242. The cubic root of 3125008000 is about 1462.0101166863.

It can be divided in two parts, 312500 and 8000, that multiplied together give a square (2500000000 = 500002).

The spelling of 3125008000 in words is "three billion, one hundred twenty-five million, eight thousand".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 125 128 136 160 170 200 250 272 320 340 400 425 500 544 640 680 800 850 1000 1088 1360 1600 1700 2000 2125 2176 2720 3200 3400 4000 4250 5440 6800 8000 8500 10880 11489 13600 16000 17000 22978 27200 34000 45956 54400 57445 68000 91912 114890 136000 183824 195313 229780 272000 287225 367648 390626 459560 574450 735296 781252 919120 976565 1148900 1436125 1470592 1562504 1838240 1953130 2297800 2872250 3125008 3676480 3906260 4595600 4882825 5744500 6250016 7352960 7812520 9191200 9765650 11489000 12500032 15625040 18382400 19531300 22978000 24414125 25000064 31250080 36764800 39062600 45956000 48828250 62500160 78125200 91912000 97656500 125000320 156250400 183824000 195313000 312500800 390626000 625001600 781252000 1562504000 3125008000