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30032211121 = 114931553681
BaseRepresentation
bin11011111110000011…
…110010110010110001
32212111222220101201121
4123332003302302301
5443001221223441
621444022302241
72112140403553
oct337603626261
985458811647
1030032211121
11118114447a0
1259a1887981
132aa7c62633
14164c8314d3
15bab88cdd1
hex6fe0f2cb1

30032211121 has 8 divisors (see below), whose sum is σ = 32769115488. Its totient is φ = 27296424000.

The previous prime is 30032211113. The next prime is 30032211151. The reversal of 30032211121 is 12111223003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30032211121 - 23 = 30032211113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30032211095 and 30032211104.

It is not an unprimeable number, because it can be changed into a prime (30032211151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222600 + ... + 331081.

It is an arithmetic number, because the mean of its divisors is an integer number (4096139436).

Almost surely, 230032211121 is an apocalyptic number.

It is an amenable number.

30032211121 is a deficient number, since it is larger than the sum of its proper divisors (2736904367).

30032211121 is a wasteful number, since it uses less digits than its factorization.

30032211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558623.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30032211121 its reverse (12111223003), we get a palindrome (42143434124).

The spelling of 30032211121 in words is "thirty billion, thirty-two million, two hundred eleven thousand, one hundred twenty-one".

Divisors: 1 11 4931 54241 553681 6090491 2730201011 30032211121