Search a number
-
+
30002120322 = 2323853254873
BaseRepresentation
bin11011111100010001…
…000000011010000010
32212102220021121220120
4123330101000122002
5442421020322242
621441025321110
72111323546356
oct337421003202
985386247816
1030002120322
11117a6462069
125993796196
132aa1958225
14164883b466
15ba8de71ec
hex6fc440682

30002120322 has 32 divisors (see below), whose sum is σ = 62686770048. Its totient is φ = 9554641536.

The previous prime is 30002120321. The next prime is 30002120381. The reversal of 30002120322 is 22302120003.

It is not an unprimeable number, because it can be changed into a prime (30002120321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9723 + ... + 245150.

It is an arithmetic number, because the mean of its divisors is an integer number (1958961564).

Almost surely, 230002120322 is an apocalyptic number.

30002120322 is an abundant number, since it is smaller than the sum of its proper divisors (32684649726).

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

30002120322 is a wasteful number, since it uses less digits than its factorization.

30002120322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255754.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30002120322 its reverse (22302120003), we get a palindrome (52304240325).

The spelling of 30002120322 in words is "thirty billion, two million, one hundred twenty thousand, three hundred twenty-two".

Divisors: 1 2 3 6 23 46 69 138 853 1706 2559 5118 19619 39238 58857 117714 254873 509746 764619 1529238 5862079 11724158 17586237 35172474 217406669 434813338 652220007 1304440014 5000353387 10000706774 15001060161 30002120322