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2513750000 = 24572011
BaseRepresentation
bin1001010111010100…
…1100011111110000
320111012001201201212
42111311030133300
520122010000000
61053234215252
7116202344126
oct22565143760
96435051655
102513750000
11107aa45643
125a1a24528
13310a34b48
1419bbcd916
15eaa44c35
hex95d4c7f0

2513750000 has 80 divisors (see below), whose sum is σ = 6091000032. Its totient is φ = 1005000000.

The previous prime is 2513749991. The next prime is 2513750003. The reversal of 2513750000 is 573152.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513750003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1248995 + ... + 1251005.

Almost surely, 22513750000 is an apocalyptic number.

2513750000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2513750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3045500016).

2513750000 is an abundant number, since it is smaller than the sum of its proper divisors (3577250032).

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

2513750000 is an frugal number, since it uses more digits than its factorization.

2513750000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 2513750000 is about 50137.3114556415. The cubic root of 2513750000 is about 1359.6924766041.

The spelling of 2513750000 in words is "two billion, five hundred thirteen million, seven hundred fifty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2011 2500 3125 4022 5000 6250 8044 10000 10055 12500 15625 16088 20110 25000 31250 32176 40220 50000 50275 62500 78125 80440 100550 125000 156250 160880 201100 250000 251375 312500 402200 502750 625000 804400 1005500 1250000 1256875 2011000 2513750 4022000 5027500 6284375 10055000 12568750 20110000 25137500 31421875 50275000 62843750 100550000 125687500 157109375 251375000 314218750 502750000 628437500 1256875000 2513750000