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100030221234 = 23219292486027
BaseRepresentation
bin101110100101001000…
…1000000101110110010
3100120012021111201222200
41131022101000232302
53114330214034414
6113541522444030
710140561565026
oct1351221005662
9316167451880
10100030221234
11394714a7829
1217477b03616
139581b61328
144bad08a386
152906c09109
hex174a440bb2

100030221234 has 24 divisors (see below), whose sum is σ = 228139101840. Its totient is φ = 31588490808.

The previous prime is 100030221233. The next prime is 100030221359. The reversal of 100030221234 is 432122030001.

100030221234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100030221233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146242672 + ... + 146243355.

It is an arithmetic number, because the mean of its divisors is an integer number (9505795910).

Almost surely, 2100030221234 is an apocalyptic number.

100030221234 is an abundant number, since it is smaller than the sum of its proper divisors (128108880606).

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

100030221234 is a wasteful number, since it uses less digits than its factorization.

100030221234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292486054 (or 292486051 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 100030221234 its reverse (432122030001), we get a palindrome (532152251235).

The spelling of 100030221234 in words is "one hundred billion, thirty million, two hundred twenty-one thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 292486027 584972054 877458081 1754916162 2632374243 5264748486 5557234513 11114469026 16671703539 33343407078 50015110617 100030221234