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30142100032 = 261142815483
BaseRepresentation
bin11100000100100110…
…111111001001000000
32212210122200022222021
4130010212333021000
5443212334200112
621502545451224
72114643423442
oct340446771100
985718608867
1030142100032
111186847a980
125a12640b14
132ac4959265
14165d278492
15bb6347907
hex7049bf240

30142100032 has 28 divisors (see below), whose sum is σ = 65250797616. Its totient is φ = 13700954240.

The previous prime is 30142100029. The next prime is 30142100033. The reversal of 30142100032 is 23000124103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 30142099979 and 30142100015.

It is not an unprimeable number, because it can be changed into a prime (30142100033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21407038 + ... + 21408445.

Almost surely, 230142100032 is an apocalyptic number.

30142100032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30142100032 is an abundant number, since it is smaller than the sum of its proper divisors (35108697584).

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

30142100032 is a wasteful number, since it uses less digits than its factorization.

30142100032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42815506 (or 42815496 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30142100032 its reverse (23000124103), we get a palindrome (53142224135).

The spelling of 30142100032 in words is "thirty billion, one hundred forty-two million, one hundred thousand, thirty-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 42815483 85630966 171261932 342523864 470970313 685047728 941940626 1370095456 1883881252 2740190912 3767762504 7535525008 15071050016 30142100032