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30963432539 = 13471012511999
BaseRepresentation
bin11100110101100100…
…000111110001011011
32221220220011100100202
4130311210013301123
51001403114320124
622120245452415
72144205556034
oct346544076133
987826140322
1030963432539
111214a061176
12600171110b
132bc5b6ac20
1416da397a8b
15c134d55ae
hex735907c5b

30963432539 has 32 divisors (see below), whose sum is σ = 34546176000. Its totient is φ = 27572400000.

The previous prime is 30963432523. The next prime is 30963432541. The reversal of 30963432539 is 93523436903.

It is a cyclic number.

It is not a de Polignac number, because 30963432539 - 24 = 30963432523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30963432493 and 30963432502.

It is not an unprimeable number, because it can be changed into a prime (30963432509) 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, 15488462 + ... + 15490460.

It is an arithmetic number, because the mean of its divisors is an integer number (1079568000).

Almost surely, 230963432539 is an apocalyptic number.

30963432539 is a deficient number, since it is larger than the sum of its proper divisors (3582743461).

30963432539 is a wasteful number, since it uses less digits than its factorization.

30963432539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411.

The product of its (nonzero) digits is 1574640, while the sum is 47.

The spelling of 30963432539 in words is "thirty billion, nine hundred sixty-three million, four hundred thirty-two thousand, five hundred thirty-nine".

Divisors: 1 13 47 101 251 611 1313 1999 3263 4747 11797 25351 25987 61711 93953 153361 201899 329563 501749 1191497 1221389 2624687 6522737 9489253 15489461 23582203 50676649 123360289 306568639 658796437 2381802503 30963432539