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10225052161 = 1011192
BaseRepresentation
bin10011000010111010…
…11110101000000001
3222101121020110122121
421201131132220001
5131420103132121
64410342204241
7511246336462
oct114135365001
928347213577
1010225052161
114377859035
121b94423681
13c6c50662c
146cddc6d69
153eca15141
hex26175ea01

10225052161 has 3 divisors (see below), whose sum is σ = 10225153281. Its totient is φ = 10224951042.

The previous prime is 10225052143. The next prime is 10225052191. The reversal of 10225052161 is 16125052201.

The square root of 10225052161 is 101119.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16125052201 = 113142699577.

It is not a de Polignac number, because 10225052161 - 221 = 10222955009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10225052191) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 50560 + ... + 151678.

It is an arithmetic number, because the mean of its divisors is an integer number (3408384427).

Almost surely, 210225052161 is an apocalyptic number.

10225052161 is the 101119-th square number.

10225052161 is the 50560-th centered octagonal number.

It is an amenable number.

10225052161 is a deficient number, since it is larger than the sum of its proper divisors (101120).

10225052161 is an frugal number, since it uses more digits than its factorization.

10225052161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202238 (or 101119 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Multiplying 10225052161 by its sum of digits (25), we get a square (255626304025 = 5055952).

The spelling of 10225052161 in words is "ten billion, two hundred twenty-five million, fifty-two thousand, one hundred sixty-one".

Divisors: 1 101119 10225052161