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51210430029 = 321117191601477
BaseRepresentation
bin101111101100011000…
…010010011001001101
311220011221110101110200
4233230120102121031
51314334332230104
635305321124113
73462020321163
oct575430223115
9156157411420
1051210430029
111a799a53050
129b12329639
134aa1776705
14269b3b7233
1514eac90b39
hexbec61264d

51210430029 has 48 divisors (see below), whose sum is σ = 89939004480. Its totient is φ = 27673505280.

The previous prime is 51210430027. The next prime is 51210430043. The reversal of 51210430029 is 92003401215.

51210430029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51210430029 - 21 = 51210430027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51210429984 and 51210430011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51210430027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 768762 + ... + 832715.

It is an arithmetic number, because the mean of its divisors is an integer number (1873729260).

Almost surely, 251210430029 is an apocalyptic number.

It is an amenable number.

51210430029 is a deficient number, since it is larger than the sum of its proper divisors (38728574451).

51210430029 is a wasteful number, since it uses less digits than its factorization.

51210430029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601530 (or 1601527 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 51210430029 in words is "fifty-one billion, two hundred ten million, four hundred thirty thousand, twenty-nine".

Divisors: 1 3 9 11 17 19 33 51 57 99 153 171 187 209 323 561 627 969 1683 1881 2907 3553 10659 31977 1601477 4804431 14413293 17616247 27225109 30428063 52848741 81675327 91284189 158546223 245025981 273852567 299476199 334708693 517277071 898428597 1004126079 1551831213 2695285791 3012378237 4655493639 5690047781 17070143343 51210430029