Search a number
-
+
30213300401 = 91932876279
BaseRepresentation
bin11100001000110110…
…100110000010110001
32212222121122200111222
4130020312212002301
5443334101103101
621514011514425
72116466546624
oct341066460261
985877580458
1030213300401
11118a4690859
125a32458a15
132b0662825b
1416688cddbb
15bbc70e01b
hex708da60b1

30213300401 has 4 divisors (see below), whose sum is σ = 30246177600. Its totient is φ = 30180423204.

The previous prime is 30213300389. The next prime is 30213300407. The reversal of 30213300401 is 10400331203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30213300401 - 234 = 13033431217 is a prime.

It is a super-2 number, since 2×302133004012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30213300401.

It is not an unprimeable number, because it can be changed into a prime (30213300407) 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, 16437221 + ... + 16439058.

It is an arithmetic number, because the mean of its divisors is an integer number (7561544400).

Almost surely, 230213300401 is an apocalyptic number.

It is an amenable number.

30213300401 is a deficient number, since it is larger than the sum of its proper divisors (32877199).

30213300401 is an equidigital number, since it uses as much as digits as its factorization.

30213300401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32877198.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30213300401 its reverse (10400331203), we get a palindrome (40613631604).

The spelling of 30213300401 in words is "thirty billion, two hundred thirteen million, three hundred thousand, four hundred one".

Divisors: 1 919 32876279 30213300401