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30233123120 = 2453307114277
BaseRepresentation
bin11100001010000010…
…001101100100110000
32220000222221210011202
4130022002031210300
5443404134414440
621520000430332
72120130210044
oct341202154460
986028853152
1030233123120
111190489a972
125a390183a8
132b0a778a85
14166b3b0024
15bbe327615
hex70a08d930

30233123120 has 40 divisors (see below), whose sum is σ = 70313882064. Its totient is φ = 12089486592.

The previous prime is 30233123111. The next prime is 30233123131. The reversal of 30233123120 is 2132133203.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30233123092 and 30233123101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207422 + ... + 321698.

Almost surely, 230233123120 is an apocalyptic number.

It is an amenable number.

30233123120 is an abundant number, since it is smaller than the sum of its proper divisors (40080758944).

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

30233123120 is a wasteful number, since it uses less digits than its factorization.

30233123120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117597 (or 117591 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30233123120 its reverse (2132133203), we get a palindrome (32365256323).

The spelling of 30233123120 in words is "thirty billion, two hundred thirty-three million, one hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3307 6614 13228 16535 26456 33070 52912 66140 114277 132280 228554 264560 457108 571385 914216 1142770 1828432 2285540 4571080 9142160 377914039 755828078 1511656156 1889570195 3023312312 3779140390 6046624624 7558280780 15116561560 30233123120