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30727042829 = 7293741113883
BaseRepresentation
bin11100100111011110…
…010111011100001101
32221022102100111122022
4130213132113130031
51000412110332304
622041003055525
72135305361150
oct344736273415
987272314568
1030727042829
111203868407a
125b565115a5
132b88bb2462
1416b6c21c97
15bec88debe
hex72779770d

30727042829 has 64 divisors (see below), whose sum is σ = 38601239040. Its totient is φ = 23897825280.

The previous prime is 30727042817. The next prime is 30727042831. The reversal of 30727042829 is 92824072703.

It is a happy number.

It is not a de Polignac number, because 30727042829 - 216 = 30726977293 is a prime.

It is a super-2 number, since 2×307270428292 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30727042829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30727045829) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34798022 + ... + 34798904.

It is an arithmetic number, because the mean of its divisors is an integer number (603144360).

Almost surely, 230727042829 is an apocalyptic number.

It is an amenable number.

30727042829 is a deficient number, since it is larger than the sum of its proper divisors (7874196211).

30727042829 is a wasteful number, since it uses less digits than its factorization.

30727042829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 30727042829 in words is "thirty billion, seven hundred twenty-seven million, forty-two thousand, eight hundred twenty-nine".

Divisors: 1 7 29 37 41 113 203 259 287 791 883 1073 1189 1517 3277 4181 4633 6181 7511 8323 10619 22939 25607 29267 32431 32671 36203 43993 99779 121249 134357 171421 179249 228697 253421 307951 698453 848743 940499 947459 1049887 1199947 1339511 2893591 3691823 4090939 4971209 6632213 7349209 9376577 20255137 25842761 28636573 34798463 38845819 107062867 118637231 151364743 271920733 749440069 830460617 1059553201 4389577547 30727042829