Search a number
-
+
30033212100 = 22352100110707
BaseRepresentation
bin11011111110000111…
…100111001011000100
32212112001210020210220
4123332013213023010
5443002000241400
621444055544340
72112152043063
oct337607471304
985461706726
1030033212100
1111811a68851
1259a208b0b0
132aa8223128
14164ca121da
15bab9d97a0
hex6fe1e72c4

30033212100 has 36 divisors (see below), whose sum is σ = 86896094544. Its totient is φ = 8008856480.

The previous prime is 30033212093. The next prime is 30033212117. The reversal of 30033212100 is 121233003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30033212100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50055054 + ... + 50055653.

It is an arithmetic number, because the mean of its divisors is an integer number (2413780404).

Almost surely, 230033212100 is an apocalyptic number.

30033212100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30033212100 is an abundant number, since it is smaller than the sum of its proper divisors (56862882444).

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

30033212100 is a wasteful number, since it uses less digits than its factorization.

30033212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100110724 (or 100110717 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30033212100 its reverse (121233003), we get a palindrome (30154445103).

The spelling of 30033212100 in words is "thirty billion, thirty-three million, two hundred twelve thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 100110707 200221414 300332121 400442828 500553535 600664242 1001107070 1201328484 1501660605 2002214140 2502767675 3003321210 5005535350 6006642420 7508303025 10011070700 15016606050 30033212100