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2050317380 = 225102515869
BaseRepresentation
bin111101000110101…
…0101110001000100
312021220000220200202
41322031111301010
513144340124010
6535241230032
7101544260456
oct17215256104
95256026622
102050317380
11962394881
12492792318
13268a14067
141564362d6
15c00016a5
hex7a355c44

2050317380 has 12 divisors (see below), whose sum is σ = 4305666540. Its totient is φ = 820126944.

The previous prime is 2050317361. The next prime is 2050317397. The reversal of 2050317380 is 837130502.

It can be written as a sum of positive squares in 2 ways, for example, as 611177284 + 1439140096 = 24722^2 + 37936^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51257915 + ... + 51257954.

It is an arithmetic number, because the mean of its divisors is an integer number (358805545).

Almost surely, 22050317380 is an apocalyptic number.

2050317380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2050317380 is an abundant number, since it is smaller than the sum of its proper divisors (2255349160).

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

2050317380 is a wasteful number, since it uses less digits than its factorization.

2050317380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102515878 (or 102515876 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2050317380 is about 45280.4304308164. The cubic root of 2050317380 is about 1270.3996468911.

Adding to 2050317380 its reverse (837130502), we get a palindrome (2887447882).

The spelling of 2050317380 in words is "two billion, fifty million, three hundred seventeen thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 102515869 205031738 410063476 512579345 1025158690 2050317380