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195880572225 = 32521366967717
BaseRepresentation
bin1011011001101101100…
…1000101010101000001
3200201121020212001221100
42312123121011111001
511202130411302400
6225553012245013
720103050251332
oct2663331052501
9621536761840
10195880572225
1176088527138
1231b68010769
1315618a44150
1496a2d60289
1551669ad100
hex2d9b645541

195880572225 has 36 divisors (see below), whose sum is σ = 377831864956. Its totient is φ = 96433511040.

The previous prime is 195880572221. The next prime is 195880572233. The reversal of 195880572225 is 522275088591.

195880572225 is a `hidden beast` number, since 1 + 9 + 588 + 0 + 57 + 2 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1177244721 + 194703327504 = 34311^2 + 441252^2 .

It is not a de Polignac number, because 195880572225 - 22 = 195880572221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195880572221) 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, 33480934 + ... + 33486783.

Almost surely, 2195880572225 is an apocalyptic number.

195880572225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195880572225 is a deficient number, since it is larger than the sum of its proper divisors (181951292731).

195880572225 is a wasteful number, since it uses less digits than its factorization.

195880572225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66967746 (or 66967738 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 54.

The spelling of 195880572225 in words is "one hundred ninety-five billion, eight hundred eighty million, five hundred seventy-two thousand, two hundred twenty-five".

Divisors: 1 3 5 9 13 15 25 39 45 65 75 117 195 225 325 585 975 2925 66967717 200903151 334838585 602709453 870580321 1004515755 1674192925 2611740963 3013547265 4352901605 5022578775 7835222889 13058704815 15067736325 21764508025 39176114445 65293524075 195880572225