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30872953111 = 71113191623269
BaseRepresentation
bin11100110000001010…
…111110000100010111
32221200120220111220211
4130300022332010113
51001211433444421
622103254310251
72142026525440
oct346012760427
987616814824
1030872953111
1112102a82690
125b97358387
132bb01ab9c0
1416cc3642c7
15c0a5b19e1
hex7302be117

30872953111 has 32 divisors (see below), whose sum is σ = 43633497600. Its totient is φ = 21037553280.

The previous prime is 30872953091. The next prime is 30872953117. The reversal of 30872953111 is 11135927803.

It is a cyclic number.

It is not a de Polignac number, because 30872953111 - 217 = 30872822039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30872953117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 792616 + ... + 830653.

It is an arithmetic number, because the mean of its divisors is an integer number (1363546800).

Almost surely, 230872953111 is an apocalyptic number.

30872953111 is a deficient number, since it is larger than the sum of its proper divisors (12760544489).

30872953111 is a wasteful number, since it uses less digits than its factorization.

30872953111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623319.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 30872953111 in words is "thirty billion, eight hundred seventy-two million, nine hundred fifty-three thousand, one hundred eleven".

Divisors: 1 7 11 13 19 77 91 133 143 209 247 1001 1463 1729 2717 19019 1623269 11362883 17855959 21102497 30842111 124991713 147717479 215894777 232127467 339263221 400947443 1624892269 2374842547 2806632101 4410421873 30872953111