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2030212520 = 23577250759
BaseRepresentation
bin111100100000010…
…1001010110101000
312020111012111000022
41321000221112220
513124213300040
6533242300012
7101211343640
oct17100512650
95214174008
102030212520
11952002796
12487ab7608
132647c4cab
141538c1520
15bd37e6b5
hex790295a8

2030212520 has 32 divisors (see below), whose sum is σ = 5220547200. Its totient is φ = 696072768.

The previous prime is 2030212519. The next prime is 2030212523. The reversal of 2030212520 is 252120302.

It is not an unprimeable number, because it can be changed into a prime (2030212523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3625100 + ... + 3625659.

It is an arithmetic number, because the mean of its divisors is an integer number (163142100).

Almost surely, 22030212520 is an apocalyptic number.

2030212520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030212520 is an abundant number, since it is smaller than the sum of its proper divisors (3190334680).

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

2030212520 is a wasteful number, since it uses less digits than its factorization.

2030212520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7250777 (or 7250773 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2030212520 is about 45057.8796660473. The cubic root of 2030212520 is about 1266.2336011080.

Adding to 2030212520 its reverse (252120302), we get a palindrome (2282332822).

The spelling of 2030212520 in words is "two billion, thirty million, two hundred twelve thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 7250759 14501518 29003036 36253795 50755313 58006072 72507590 101510626 145015180 203021252 253776565 290030360 406042504 507553130 1015106260 2030212520