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272165673025 = 52103210132
BaseRepresentation
bin1111110101111001010…
…1101001100001000001
3222000111200201201021001
43331132111221201001
513424343403014100
6325010422532001
725443343023121
oct3753625514101
9860450651231
10272165673025
11a5474477494
12448b7897001
131c88533984c
14d25c59ac81
15712dc70d6a
hex3f5e569841

272165673025 has 27 divisors (see below), whose sum is σ = 341130555849. Its totient is φ = 215405778720.

The previous prime is 272165672993. The next prime is 272165673029. The reversal of 272165673025 is 520376561272.

The square root of 272165673025 is 521695.

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

It can be written as a sum of positive squares in 4 ways, for example, as 162440435521 + 109725237504 = 403039^2 + 331248^2 .

It is not a de Polignac number, because 272165673025 - 25 = 272165672993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272165673029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 268672419 + ... + 268673431.

Almost surely, 2272165673025 is an apocalyptic number.

272165673025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

272165673025 is the 521695-th square number.

272165673025 is the 260848-th centered octagonal number.

It is an amenable number.

272165673025 is a deficient number, since it is larger than the sum of its proper divisors (68964882824).

272165673025 is an frugal number, since it uses more digits than its factorization.

272165673025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 272165673025 in words is "two hundred seventy-two billion, one hundred sixty-five million, six hundred seventy-three thousand, twenty-five".

Divisors: 1 5 25 103 515 1013 2575 5065 10609 25325 53045 104339 265225 521695 1026169 2608475 5130845 10746917 25654225 53734585 105695407 268672925 528477035 2642385175 10886626921 54433134605 272165673025