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2030144221 = 71491946447
BaseRepresentation
bin111100100000001…
…1000101011011101
312020111002000022201
41321000120223131
513124204103341
6533241011501
7101210640550
oct17100305335
95214060281
102030144221
11951a66446
12487a83b91
1326479cb91
141538a4697
15bd369331
hex79018add

2030144221 has 8 divisors (see below), whose sum is σ = 2335737600. Its totient is φ = 1728444048.

The previous prime is 2030144189. The next prime is 2030144257. The reversal of 2030144221 is 1224410302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2030144221 - 25 = 2030144189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030144261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972181 + ... + 974266.

It is an arithmetic number, because the mean of its divisors is an integer number (291967200).

Almost surely, 22030144221 is an apocalyptic number.

It is an amenable number.

2030144221 is a deficient number, since it is larger than the sum of its proper divisors (305593379).

2030144221 is a wasteful number, since it uses less digits than its factorization.

2030144221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946603.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2030144221 is about 45057.1217567212. The cubic root of 2030144221 is about 1266.2194016982.

Adding to 2030144221 its reverse (1224410302), we get a palindrome (3254554523).

The spelling of 2030144221 in words is "two billion, thirty million, one hundred forty-four thousand, two hundred twenty-one".

Divisors: 1 7 149 1043 1946447 13625129 290020603 2030144221