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2148271700 = 225221482717
BaseRepresentation
bin1000000000001100…
…0000011001010100
312112201100111202112
42000003000121110
513344424143300
6553100530152
7104144002541
oct20003003124
95481314675
102148271700
11a02709363
124bb550958
132830bc6b3
14165453bc8
15c88eee35
hex800c0654

2148271700 has 18 divisors (see below), whose sum is σ = 4661749806. Its totient is φ = 859308640.

The previous prime is 2148271693. The next prime is 2148271729. The reversal of 2148271700 is 71728412.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 66357316 + 2081914384 = 8146^2 + 45628^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10741259 + ... + 10741458.

Almost surely, 22148271700 is an apocalyptic number.

2148271700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2148271700 is an abundant number, since it is smaller than the sum of its proper divisors (2513478106).

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

2148271700 is a wasteful number, since it uses less digits than its factorization.

2148271700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21482731 (or 21482724 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 2148271700 is about 46349.4519924454. The cubic root of 2148271700 is about 1290.3169503430.

The spelling of 2148271700 in words is "two billion, one hundred forty-eight million, two hundred seventy-one thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 21482717 42965434 85930868 107413585 214827170 429654340 537067925 1074135850 2148271700