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30220203124 = 227555050781
BaseRepresentation
bin11100001001010000…
…111011010001110100
32220000002122101021101
4130021100323101310
5443342332444444
621514415455444
72116612326316
oct341120732164
986002571241
1030220203124
11118a8575991
125a34827584
132b07ba40c7
1416697a97b6
15bbd1243d4
hex70943b474

30220203124 has 6 divisors (see below), whose sum is σ = 52885355474. Its totient is φ = 15110101560.

The previous prime is 30220203109. The next prime is 30220203127. The reversal of 30220203124 is 42130202203.

It can be written as a sum of positive squares in only one way, i.e., 28825927524 + 1394275600 = 169782^2 + 37340^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220203127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3777525387 + ... + 3777525394.

Almost surely, 230220203124 is an apocalyptic number.

It is an amenable number.

30220203124 is a deficient number, since it is larger than the sum of its proper divisors (22665152350).

30220203124 is a wasteful number, since it uses less digits than its factorization.

30220203124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7555050785 (or 7555050783 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 30220203124 its reverse (42130202203), we get a palindrome (72350405327).

The spelling of 30220203124 in words is "thirty billion, two hundred twenty million, two hundred three thousand, one hundred twenty-four".

Divisors: 1 2 4 7555050781 15110101562 30220203124