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38410120225 = 5219220632
BaseRepresentation
bin100011110001011010…
…111110110000100001
310200010212102021110101
4203301122332300201
51112130442321400
625351222102401
72526560430541
oct436132766041
9120125367411
1038410120225
1115320569914
12753b57aa01
133811880cb9
141c0538d321
15eec13656a
hex8f16bec21

38410120225 has 27 divisors (see below), whose sum is σ = 50291627763. Its totient is φ = 29096717040.

The previous prime is 38410120223. The next prime is 38410120261. The reversal of 38410120225 is 52202101483.

The square root of 38410120225 is 195985.

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

38410120225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13827643281 + 24582476944 = 117591^2 + 156788^2 .

It is not a de Polignac number, because 38410120225 - 21 = 38410120223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38410120193 and 38410120202.

It is not an unprimeable number, because it can be changed into a prime (38410120223) 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, 18617544 + ... + 18619606.

Almost surely, 238410120225 is an apocalyptic number.

38410120225 is the 195985-th square number.

38410120225 is the 97993-rd centered octagonal number.

It is an amenable number.

38410120225 is a deficient number, since it is larger than the sum of its proper divisors (11881507538).

38410120225 is an frugal number, since it uses more digits than its factorization.

38410120225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4174 (or 2087 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 38410120225 in words is "thirty-eight billion, four hundred ten million, one hundred twenty thousand, two hundred twenty-five".

Divisors: 1 5 19 25 95 361 475 1805 2063 9025 10315 39197 51575 195985 744743 979925 3723715 4255969 18618575 21279845 80863411 106399225 404317055 1536404809 2021585275 7682024045 38410120225