Search a number
-
+
30202312100 = 2252733412037
BaseRepresentation
bin11100001000001100…
…101011010110100100
32212221211222102101212
4130020030223112210
5443323242441400
621512540210552
72116304263022
oct341014532644
985854872355
1030202312100
1111899466114
125a2a839a58
132b0427b8bc
14166726d712
15bbb78d335
hex70832b5a4

30202312100 has 36 divisors (see below), whose sum is σ = 65628588564. Its totient is φ = 12064414080.

The previous prime is 30202312097. The next prime is 30202312103. The reversal of 30202312100 is 121320203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30202312097) and next prime (30202312103).

It can be written as a sum of positive squares in 6 ways, for example, as 7367475556 + 22834836544 = 85834^2 + 151112^2 .

It is not an unprimeable number, because it can be changed into a prime (30202312103) 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, 132719 + ... + 279318.

It is an arithmetic number, because the mean of its divisors is an integer number (1823016349).

Almost surely, 230202312100 is an apocalyptic number.

It is an amenable number.

30202312100 is an abundant number, since it is smaller than the sum of its proper divisors (35426276464).

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

30202312100 is a wasteful number, since it uses less digits than its factorization.

30202312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412784 (or 412777 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30202312100 its reverse (121320203), we get a palindrome (30323632303).

The spelling of 30202312100 in words is "thirty billion, two hundred two million, three hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 733 1466 2932 3665 7330 14660 18325 36650 73300 412037 824074 1648148 2060185 4120370 8240740 10300925 20601850 41203700 302023121 604046242 1208092484 1510115605 3020231210 6040462420 7550578025 15101156050 30202312100