Search a number
-
+
30002121300 = 22352100007071
BaseRepresentation
bin11011111100010001…
…000000101001010100
32212102220021200020210
4123330101000221110
5442421020340200
621441025325420
72111323552254
oct337421005124
985386250223
1030002121300
11117a6462878
125993796870
132aa19587c8
14164883b964
15ba8de7650
hex6fc440a54

30002121300 has 36 divisors (see below), whose sum is σ = 86806138496. Its totient is φ = 8000565600.

The previous prime is 30002121283. The next prime is 30002121367. The reversal of 30002121300 is 312120003.

It is a happy number.

It is a super-3 number, since 3×300021213003 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 50003236 + ... + 50003835.

Almost surely, 230002121300 is an apocalyptic number.

30002121300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30002121300 is an abundant number, since it is smaller than the sum of its proper divisors (56804017196).

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

30002121300 is a wasteful number, since it uses less digits than its factorization.

30002121300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100007088 (or 100007081 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30002121300 its reverse (312120003), we get a palindrome (30314241303).

The spelling of 30002121300 in words is "thirty billion, two million, one hundred twenty-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 100007071 200014142 300021213 400028284 500035355 600042426 1000070710 1200084852 1500106065 2000141420 2500176775 3000212130 5000353550 6000424260 7500530325 10000707100 15001060650 30002121300