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107672578225 = 52292312732
BaseRepresentation
bin110010001000111001…
…0010010100010110001
3101021220212221200220121
41210101302102202301
53231003140000400
6121244125010241
710531140546142
oct1442162224261
9337825850817
10107672578225
11417333aa743
1218a4b3b3981
13a1cc273464
1452d6057ac9
152c02b0b21a
hex1911c928b1

107672578225 has 81 divisors (see below), whose sum is σ = 144865198179. Its totient is φ = 79382419200.

The previous prime is 107672578217. The next prime is 107672578243. The reversal of 107672578225 is 522875276701.

It is a happy number.

The square root of 107672578225 is 328135.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 59173968049 + 48498610176 = 243257^2 + 220224^2 .

It is not a de Polignac number, because 107672578225 - 23 = 107672578217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1474966789 + ... + 1474966861.

Almost surely, 2107672578225 is an apocalyptic number.

107672578225 is the 328135-th square number.

107672578225 is the 164068-th centered octagonal number.

It is an amenable number.

107672578225 is a deficient number, since it is larger than the sum of its proper divisors (37192619954).

107672578225 is an frugal number, since it uses more digits than its factorization.

107672578225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 52.

The spelling of 107672578225 in words is "one hundred seven billion, six hundred seventy-two million, five hundred seventy-eight thousand, two hundred twenty-five".

Divisors: 1 5 25 29 31 73 145 155 365 725 775 841 899 961 1825 2117 2263 4205 4495 4805 5329 10585 11315 21025 22475 24025 26071 26645 27869 52925 56575 61393 65627 70153 130355 133225 139345 154541 165199 306965 328135 350765 651775 696725 772705 808201 825995 1534825 1640675 1753825 1903183 2034437 3863525 4041005 4129975 4481689 4790771 5121169 9515915 10172185 20205025 22408445 23953855 25605845 47579575 50860925 58998673 112042225 119769275 128029225 138932359 148513901 294993365 694661795 742569505 1474966825 3473308975 3712847525 4306903129 21534515645 107672578225