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30032200121 = 711292938167
BaseRepresentation
bin11011111110000011…
…110000000110111001
32212111222212211122012
4123332003300012321
5443001220400441
621444022135305
72112140326520
oct337603600671
985458784565
1030032200121
1111811437500
1259a1881535
132aa7c5a621
14164c82b4b7
15bab8899eb
hex6fe0f01b9

30032200121 has 24 divisors (see below), whose sum is σ = 37767999360. Its totient is φ = 23375911680.

The previous prime is 30032200111. The next prime is 30032200123. The reversal of 30032200121 is 12100223003.

It is a happy number.

It is not a de Polignac number, because 30032200121 - 210 = 30032199097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30032200096 and 30032200105.

It is not an unprimeable number, because it can be changed into a prime (30032200123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 767780 + ... + 805946.

It is an arithmetic number, because the mean of its divisors is an integer number (1573666640).

Almost surely, 230032200121 is an apocalyptic number.

It is an amenable number.

30032200121 is a deficient number, since it is larger than the sum of its proper divisors (7735799239).

30032200121 is a wasteful number, since it uses less digits than its factorization.

30032200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39125 (or 39114 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30032200121 its reverse (12100223003), we get a palindrome (42132423124).

The spelling of 30032200121 in words is "thirty billion, thirty-two million, two hundred thousand, one hundred twenty-one".

Divisors: 1 7 11 77 121 847 929 6503 10219 38167 71533 112409 267169 419837 786863 2938859 4618207 32327449 35457143 248200001 390028573 2730200011 4290314303 30032200121