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30129483171245 = 5172386914850413
BaseRepresentation
bin1101101100111000100010…
…01001000100010110101101
310221200100110111010101100012
412312130101021010112231
512422120140142434440
6144025143220543005
76226532452236203
oct666342111042655
9127610414111305
1030129483171245
11966692985a087
123467366b51a65
1313a7276218b43
147623bbd5d073
15373b0c59ce65
hex1b67112445ad

30129483171245 has 16 divisors (see below), whose sum is σ = 38283773275440. Its totient is φ = 22684776551424.

The previous prime is 30129483171239. The next prime is 30129483171329. The reversal of 30129483171245 is 54217138492103.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 143991409444 + 29985491761801 = 379462^2 + 5475901^2 .

It is not a de Polignac number, because 30129483171245 - 26 = 30129483171181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30129483171193 and 30129483171202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5396342 + ... + 9454071.

It is an arithmetic number, because the mean of its divisors is an integer number (2392735829715).

Almost surely, 230129483171245 is an apocalyptic number.

It is an amenable number.

30129483171245 is a deficient number, since it is larger than the sum of its proper divisors (8154290104195).

30129483171245 is a wasteful number, since it uses less digits than its factorization.

30129483171245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14874304.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 30129483171245 in words is "thirty trillion, one hundred twenty-nine billion, four hundred eighty-three million, one hundred seventy-one thousand, two hundred forty-five".

Divisors: 1 5 17 85 23869 119345 405773 2028865 14850413 74252065 252457021 1262285105 354464507897 1772322539485 6025896634249 30129483171245