Search a number
-
+
30043252644 = 22322051113537
BaseRepresentation
bin11011111110101101…
…111010011110100100
32212112202200100211220
4123332231322132210
5443012033041034
621445055100340
72112333301566
oct337655723644
985482610756
1030043252644
11118176a6419
1259a55116b0
132aaa32a292
1416500a7336
15bac81e749
hex6feb7a7a4

30043252644 has 24 divisors (see below), whose sum is σ = 70104719328. Its totient is φ = 10013875200.

The previous prime is 30043252643. The next prime is 30043252649. The reversal of 30043252644 is 44625234003.

It is not an unprimeable number, because it can be changed into a prime (30043252643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207844 + ... + 321380.

It is an arithmetic number, because the mean of its divisors is an integer number (2921029972).

Almost surely, 230043252644 is an apocalyptic number.

It is an amenable number.

30043252644 is an abundant number, since it is smaller than the sum of its proper divisors (40061466684).

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

30043252644 is a wasteful number, since it uses less digits than its factorization.

30043252644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135595 (or 135593 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 30043252644 its reverse (44625234003), we get a palindrome (74668486647).

The spelling of 30043252644 in words is "thirty billion, forty-three million, two hundred fifty-two thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 12 22051 44102 66153 88204 113537 132306 227074 264612 340611 454148 681222 1362444 2503604387 5007208774 7510813161 10014417548 15021626322 30043252644