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12472940207025 = 32522354472
BaseRepresentation
bin1011010110000001010100…
…1010111001101110110001
31122011101211122111220110100
42311200111022321232301
53113324040143111100
642305553432023013
72425066041313224
oct265402512715661
948141748456410
1012472940207025
113a7982063a331
12149540a531a69
136c626865312c
1431199d0775bb
151696b310c400
hexb58152b9bb1

12472940207025 has 27 divisors (see below), whose sum is σ = 22340516678571. Its totient is φ = 6652206523440.

The previous prime is 12472940207017. The next prime is 12472940207081. The reversal of 12472940207025 is 52070204927421.

The square root of 12472940207025 is 3531705.

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

12472940207025 is a `hidden beast` number, since 1 + 2 + 472 + 94 + 0 + 2 + 0 + 70 + 25 = 666.

12472940207025 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., 4490258474529 + 7982681732496 = 2119023^2 + 2825364^2 .

It is not a de Polignac number, because 12472940207025 - 23 = 12472940207017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 52857852 + ... + 53093298.

Almost surely, 212472940207025 is an apocalyptic number.

12472940207025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12472940207025 is the 3531705-th square number.

12472940207025 is the 1765853-rd centered octagonal number.

It is an amenable number.

12472940207025 is a deficient number, since it is larger than the sum of its proper divisors (9867576471546).

12472940207025 is an frugal number, since it uses more digits than its factorization.

12472940207025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470910 (or 235455 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 12472940207025 in words is "twelve trillion, four hundred seventy-two billion, nine hundred forty million, two hundred seven thousand, twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 235447 706341 1177235 2119023 3531705 5886175 10595115 17658525 52975575 55435289809 166305869427 277176449045 498917608281 831529347135 1385882245225 2494588041405 4157646735675 12472940207025