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2011493250 = 2375313283
BaseRepresentation
bin111011111100100…
…1111001110000010
312012011222110000000
41313321033032002
513104420241000
6531333140430
7100563260544
oct16771171602
95164873000
102011493250
11942487718
1248178a716
1326096c7c0
1415120b694
15bb8d3000
hex77e4f382

2011493250 has 256 divisors, whose sum is σ = 6103319040. Its totient is φ = 493387200.

The previous prime is 2011493219. The next prime is 2011493279. The reversal of 2011493250 is 523941102.

It is a super-2 number, since 2×20114932502 = 8092210189591125000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7107609 + ... + 7107891.

It is an arithmetic number, because the mean of its divisors is an integer number (23841090).

Almost surely, 22011493250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011493250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3051659520).

2011493250 is an abundant number, since it is smaller than the sum of its proper divisors (4091825790).

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

2011493250 is an equidigital number, since it uses as much as digits as its factorization.

2011493250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2011493250 is about 44849.6739118580. The cubic root of 2011493250 is about 1262.3298728375.

The spelling of 2011493250 in words is "two billion, eleven million, four hundred ninety-three thousand, two hundred fifty".