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127725222010225 = 52715715792944129
BaseRepresentation
bin11101000010101001011000…
…011111001001110101110001
3121202020102010022220021122111
4131002221120133021311301
5113220122223313311400
61131352053523005321
735621562032630410
oct3502513037116561
9552212108807574
10127725222010225
1137773a650427a4
12123aa006509841
13563658a71b128
142377d10225477
15eb765d3353ba
hex742a587c9d71

127725222010225 has 48 divisors (see below), whose sum is σ = 182273208073600. Its totient is φ = 86970012180480.

The previous prime is 127725222010223. The next prime is 127725222010241. The reversal of 127725222010225 is 522010222527721.

It is not a de Polignac number, because 127725222010225 - 21 = 127725222010223 is a prime.

It is a super-2 number, since 2×1277252220102252 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127725222010223) 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, 41910961 + ... + 44855089.

Almost surely, 2127725222010225 is an apocalyptic number.

It is an amenable number.

127725222010225 is a deficient number, since it is larger than the sum of its proper divisors (54547986063375).

127725222010225 is a wasteful number, since it uses less digits than its factorization.

127725222010225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945882 (or 2945877 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

Adding to 127725222010225 its reverse (522010222527721), we get a palindrome (649735444537946).

The spelling of 127725222010225 in words is "one hundred twenty-seven trillion, seven hundred twenty-five billion, two hundred twenty-two million, ten thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 157 175 785 1099 1579 3925 5495 7895 11053 27475 39475 55265 247903 276325 1239515 1735321 2944129 6197575 8676605 14720645 20608903 43383025 73603225 103044515 462228253 515222575 2311141265 3235597771 4648779691 11555706325 16177988855 23243898455 32541457837 80889944275 116219492275 162707289185 729858411487 813536445925 3649292057435 5109008880409 18246460287175 25545044402045 127725222010225