Search a number
-
+
30213214001 = 97311476433
BaseRepresentation
bin11100001000110110…
…010000111100110001
32212222121111021222222
4130020312100330301
5443334040322001
621514010010425
72116466040005
oct341066207461
985877437888
1030213214001
11118a4631953
125a32416a15
132b065c7b29
1416688aa705
15bbc6e361b
hex708d90f31

30213214001 has 4 divisors (see below), whose sum is σ = 30524690532. Its totient is φ = 29901737472.

The previous prime is 30213213991. The next prime is 30213214037. The reversal of 30213214001 is 10041231203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10041231203 = 17590660659.

It can be written as a sum of positive squares in 2 ways, for example, as 23962730401 + 6250483600 = 154799^2 + 79060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30213214001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30213214081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155738120 + ... + 155738313.

It is an arithmetic number, because the mean of its divisors is an integer number (7631172633).

Almost surely, 230213214001 is an apocalyptic number.

It is an amenable number.

30213214001 is a deficient number, since it is larger than the sum of its proper divisors (311476531).

30213214001 is an equidigital number, since it uses as much as digits as its factorization.

30213214001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311476530.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30213214001 its reverse (10041231203), we get a palindrome (40254445204).

The spelling of 30213214001 in words is "thirty billion, two hundred thirteen million, two hundred fourteen thousand, one".

Divisors: 1 97 311476433 30213214001