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20003450348 = 2272843251287
BaseRepresentation
bin10010101000010011…
…000110110111101100
31220122002000120020102
4102220103012313230
5311431340402343
613104531210232
71305463344140
oct225023066754
956562016212
1020003450348
118535476352
123a63146978
131b6a31526b
14d7a943220
157c11ed3b8
hex4a84c6dec

20003450348 has 24 divisors (see below), whose sum is σ = 40021132032. Its totient is φ = 8569857744.

The previous prime is 20003450347. The next prime is 20003450371. The reversal of 20003450348 is 84305430002.

It is a super-2 number, since 2×200034503482 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20003450348.

It is not an unprimeable number, because it can be changed into a prime (20003450347) 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 7 ways as a sum of consecutive naturals, for example, 46040 + ... + 205247.

It is an arithmetic number, because the mean of its divisors is an integer number (1667547168).

Almost surely, 220003450348 is an apocalyptic number.

20003450348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20003450348 is an abundant number, since it is smaller than the sum of its proper divisors (20017681684).

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

20003450348 is a wasteful number, since it uses less digits than its factorization.

20003450348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254141 (or 254139 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 20003450348 in words is "twenty billion, three million, four hundred fifty thousand, three hundred forty-eight".

Divisors: 1 2 4 7 14 28 2843 5686 11372 19901 39802 79604 251287 502574 1005148 1759009 3518018 7036036 714408941 1428817882 2857635764 5000862587 10001725174 20003450348