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3055203021 = 3131919920719
BaseRepresentation
bin1011011000011010…
…1011001011001101
321212220220101122110
42312012223023031
522224112444041
61223055334233
7135465540303
oct26606531315
97786811573
103055203021
111328645282
12713221379
13398c71c50
1420da96273
1512d34a516
hexb61ab2cd

3055203021 has 32 divisors (see below), whose sum is σ = 4641280000. Its totient is φ = 1772134848.

The previous prime is 3055203017. The next prime is 3055203029. The reversal of 3055203021 is 1203025503.

It is not a de Polignac number, because 3055203021 - 22 = 3055203017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3055203029) 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 31 ways as a sum of consecutive naturals, for example, 137100 + ... + 157818.

It is an arithmetic number, because the mean of its divisors is an integer number (145040000).

Almost surely, 23055203021 is an apocalyptic number.

It is an amenable number.

3055203021 is a deficient number, since it is larger than the sum of its proper divisors (1586076979).

3055203021 is a wasteful number, since it uses less digits than its factorization.

3055203021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20953.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 3055203021 is about 55273.8909522389. The cubic root of 3055203021 is about 1451.0421396003.

Adding to 3055203021 its reverse (1203025503), we get a palindrome (4258228524).

The spelling of 3055203021 in words is "three billion, fifty-five million, two hundred three thousand, twenty-one".

Divisors: 1 3 13 19 39 57 199 247 597 741 2587 3781 7761 11343 20719 49153 62157 147459 269347 393661 808041 1180983 4123081 5117593 12369243 15352779 53600053 78338539 160800159 235015617 1018401007 3055203021