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30233132013 = 373154185843
BaseRepresentation
bin11100001010000010…
…001111101111101101
32220000222222020101010
4130022002033233231
5443404140211023
621520000535433
72120130245010
oct341202175755
986028866333
1030233132013
11119048a6617
125a39021579
132b0a77cb36
14166b3b3377
15bbe32a093
hex70a08fbed

30233132013 has 32 divisors (see below), whose sum is σ = 47644106752. Its totient is φ = 16687684800.

The previous prime is 30233132003. The next prime is 30233132081. The reversal of 30233132013 is 31023133203.

It is not a de Polignac number, because 30233132013 - 28 = 30233131757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30233132003) 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 31 ways as a sum of consecutive naturals, for example, 309270 + ... + 395112.

It is an arithmetic number, because the mean of its divisors is an integer number (1488878336).

Almost surely, 230233132013 is an apocalyptic number.

It is an amenable number.

30233132013 is a deficient number, since it is larger than the sum of its proper divisors (17410974739).

30233132013 is a wasteful number, since it uses less digits than its factorization.

30233132013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86425.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30233132013 its reverse (31023133203), we get a palindrome (61256265216).

The spelling of 30233132013 in words is "thirty billion, two hundred thirty-three million, one hundred thirty-two thousand, thirteen".

Divisors: 1 3 7 21 31 93 217 541 651 1623 3787 11361 16771 50313 85843 117397 257529 352191 600901 1802703 2661133 7983399 18627931 46441063 55883793 139323189 325087441 975262323 1439672953 4319018859 10077710671 30233132013