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30001321242 = 234393147111
BaseRepresentation
bin11011111100001101…
…111101010100011010
32212102211210000210000
4123330031331110122
5442420314234432
621441000233430
72111314010604
oct337415752432
985384700700
1030001321242
11117a5a66772
12599346b876
132aa17385b9
1416486b0174
15ba8cda57c
hex6fc37d51a

30001321242 has 40 divisors (see below), whose sum is σ = 67243711392. Its totient is φ = 9997684200.

The previous prime is 30001321241. The next prime is 30001321243. The reversal of 30001321242 is 24212310003.

30001321242 is a `hidden beast` number, since 300 + 0 + 1 + 321 + 2 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (30001321241) and next prime (30001321243).

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

It is not an unprimeable number, because it can be changed into a prime (30001321241) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 613267 + ... + 660377.

Almost surely, 230001321242 is an apocalyptic number.

30001321242 is an abundant number, since it is smaller than the sum of its proper divisors (37242390150).

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

30001321242 is a wasteful number, since it uses less digits than its factorization.

30001321242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51056 (or 51047 counting only the distinct ones).

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

Adding to 30001321242 its reverse (24212310003), we get a palindrome (54213631245).

The spelling of 30001321242 in words is "thirty billion, one million, three hundred twenty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 3931 7862 11793 23586 35379 47111 70758 94222 106137 141333 212274 282666 318411 423999 636822 847998 1271997 2543994 3815991 7631982 185193341 370386682 555580023 1111160046 1666740069 3333480138 5000220207 10000440414 15000660621 30001321242