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30433123100 = 2252304331231
BaseRepresentation
bin11100010101111101…
…001001101100011100
32220112221021211120102
4130111331021230130
5444311334414400
621551503240232
72125106164262
oct342575115434
986487254512
1030433123100
11119a7782906
125a93ba9078
132b40033063
141689b92432
15bd1b819d5
hex715f49b1c

30433123100 has 18 divisors (see below), whose sum is σ = 66039877344. Its totient is φ = 12173249200.

The previous prime is 30433123069. The next prime is 30433123103. The reversal of 30433123100 is 132133403.

It is a super-2 number, since 2×304331231002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30433123103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152165516 + ... + 152165715.

Almost surely, 230433123100 is an apocalyptic number.

It is an amenable number.

30433123100 is an abundant number, since it is smaller than the sum of its proper divisors (35606754244).

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

30433123100 is a wasteful number, since it uses less digits than its factorization.

30433123100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304331245 (or 304331238 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30433123100 its reverse (132133403), we get a palindrome (30565256503).

The spelling of 30433123100 in words is "thirty billion, four hundred thirty-three million, one hundred twenty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 304331231 608662462 1217324924 1521656155 3043312310 6086624620 7608280775 15216561550 30433123100