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1829489805125 = 5331123892
BaseRepresentation
bin11010100111110110000…
…101110000011101000101
320110220020021211111001022
4122213312011300131011
5214433243342231000
63520242255440525
7246114314522213
oct32476605603505
96426207744038
101829489805125
11645978333764
12256698526145
1310369b9c5a38
1464795169cb3
15328c89a3585
hex1a9f6170745

1829489805125 has 36 divisors (see below), whose sum is σ = 2296471860228. Its totient is φ = 1455135412000.

The previous prime is 1829489805119. The next prime is 1829489805127. The reversal of 1829489805125 is 5215089849281.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 1093241718724 + 736248086401 = 1045582^2 + 858049^2 .

It is not a de Polignac number, because 1829489805125 - 28 = 1829489804869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1829489805127) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4703058431 + ... + 4703058819.

Almost surely, 21829489805125 is an apocalyptic number.

It is an amenable number.

1829489805125 is a deficient number, since it is larger than the sum of its proper divisors (466982055103).

1829489805125 is an frugal number, since it uses more digits than its factorization.

1829489805125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 62.

The spelling of 1829489805125 in words is "one trillion, eight hundred twenty-nine billion, four hundred eighty-nine million, eight hundred five thousand, one hundred twenty-five".

Divisors: 1 5 25 125 311 389 1555 1945 7775 9725 38875 48625 96721 120979 151321 483605 604895 756605 2418025 3024475 3783025 12090125 15122375 18915125 37624469 47060831 188122345 235304155 940611725 1176520775 4703058625 5882603875 14635918441 73179592205 365897961025 1829489805125