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30011132121 = 317617395327
BaseRepresentation
bin11011111100110011…
…011000100011011001
32212110112020110202220
4123330303120203121
5442430322211441
621441550414253
72111463262005
oct337463304331
985415213686
1030011132121
1111800557833
125996801389
132aa3792059
141649b05705
15ba9ac7466
hex6fccd88d9

30011132121 has 16 divisors (see below), whose sum is σ = 42375965184. Its totient is φ = 18827266304.

The previous prime is 30011132119. The next prime is 30011132131. The reversal of 30011132121 is 12123111003.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30011132121 - 21 = 30011132119 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30011132121.

It is not an unprimeable number, because it can be changed into a prime (30011132131) 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, 267160 + ... + 362486.

It is an arithmetic number, because the mean of its divisors is an integer number (2648497824).

Almost surely, 230011132121 is an apocalyptic number.

It is an amenable number.

30011132121 is a deficient number, since it is larger than the sum of its proper divisors (12364833063).

30011132121 is a wasteful number, since it uses less digits than its factorization.

30011132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101520.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 30011132121 its reverse (12123111003), we get a palindrome (42134243124).

The spelling of 30011132121 in words is "thirty billion, eleven million, one hundred thirty-two thousand, one hundred twenty-one".

Divisors: 1 3 17 51 6173 18519 95327 104941 285981 314823 1620559 4861677 588453571 1765360713 10003710707 30011132121