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201052695321 = 36166072
BaseRepresentation
bin1011101100111110101…
…1001010101100011001
3201012221201010011000000
42323033223022230121
511243223442222241
6232210133003213
720345162466402
oct2731753125431
9635851104000
10201052695321
11782a2006835
1232b70183509
1315c6144950a
149a33c289a9
15536aab3eb6
hex2ecfacab19

201052695321 has 21 divisors (see below), whose sum is σ = 301459299301. Its totient is φ = 134027059212.

The previous prime is 201052695301. The next prime is 201052695353. The reversal of 201052695321 is 123596250102.

It is a happy number.

The square root of 201052695321 is 448389.

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

201052695321 is a `hidden beast` number, since 2 + 0 + 10 + 52 + 69 + 532 + 1 = 666.

It is not a de Polignac number, because 201052695321 - 217 = 201052564249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201052695301) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 12098200 + ... + 12114806.

Almost surely, 2201052695321 is an apocalyptic number.

201052695321 is the 448389-th square number.

201052695321 is the 224195-th centered octagonal number.

It is an amenable number.

201052695321 is a deficient number, since it is larger than the sum of its proper divisors (100406603980).

201052695321 is an frugal number, since it uses more digits than its factorization.

201052695321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33232 (or 16610 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

Multiplying 201052695321 by its sum of digits (36), we get a square (7237897031556 = 26903342).

The spelling of 201052695321 in words is "two hundred one billion, fifty-two million, six hundred ninety-five thousand, three hundred twenty-one".

Divisors: 1 3 9 27 81 243 729 16607 49821 149463 448389 1345167 4035501 12106503 275792449 827377347 2482132041 7446396123 22339188369 67017565107 201052695321