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30143817039 = 376724188897
BaseRepresentation
bin11100000100101101…
…100010010101001111
32212210202220120021010
4130010231202111033
5443213304121124
621503050340303
72114664134340
oct340455422517
985722816233
1030143817039
1111869442996
125a1312a693
132ac510a93b
14165d5a40c7
15bb6586529
hex704b6254f

30143817039 has 32 divisors (see below), whose sum is σ = 46812975616. Its totient is φ = 16897351680.

The previous prime is 30143817007. The next prime is 30143817047. The reversal of 30143817039 is 93071834103.

It is a happy number.

It is not a de Polignac number, because 30143817039 - 25 = 30143817007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30143816988 and 30143817006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30143817239) 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, 294639 + ... + 383535.

It is an arithmetic number, because the mean of its divisors is an integer number (1462905488).

Almost surely, 230143817039 is an apocalyptic number.

30143817039 is a deficient number, since it is larger than the sum of its proper divisors (16669158577).

30143817039 is a wasteful number, since it uses less digits than its factorization.

30143817039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89215.

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 30143817039 in words is "thirty billion, one hundred forty-three million, eight hundred seventeen thousand, thirty-nine".

Divisors: 1 3 7 21 67 201 241 469 723 1407 1687 5061 16147 48441 88897 113029 266691 339087 622279 1866837 5956099 17868297 21424177 41692693 64272531 125078079 149969239 449907717 1435419859 4306259577 10047939013 30143817039