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2750390000 = 2454275039
BaseRepresentation
bin1010001111101111…
…1001111011110000
321002200100021210022
42203323321323300
521113044440000
61132530223012
7125104633511
oct24373717360
97080307708
102750390000
111191583796
12649124a68
1334aa7a507
141c13cca08
151116da585
hexa3ef9ef0

2750390000 has 50 divisors (see below), whose sum is σ = 6658993440. Its totient is φ = 1100152000.

The previous prime is 2750389963. The next prime is 2750390023. The reversal of 2750390000 is 930572.

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

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, 127520 + ... + 147519.

Almost surely, 22750390000 is an apocalyptic number.

2750390000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2750390000 is an abundant number, since it is smaller than the sum of its proper divisors (3908603440).

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

2750390000 is an equidigital number, since it uses as much as digits as its factorization.

2750390000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275067 (or 275046 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 2750390000 is about 52444.1607807771. The cubic root of 2750390000 is about 1401.0858922176.

The spelling of 2750390000 in words is "two billion, seven hundred fifty million, three hundred ninety thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 275039 550078 1100156 1375195 2200312 2750390 4400624 5500780 6875975 11001560 13751950 22003120 27503900 34379875 55007800 68759750 110015600 137519500 171899375 275039000 343798750 550078000 687597500 1375195000 2750390000