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47220054739225 = 52389235332
BaseRepresentation
bin10101011110010010001101…
…00101101100100100011001
320012012012012210200222112121
422233021012211230210121
522142123133003123400
6244232332122341241
712642351655531354
oct1257110645544431
9205165183628477
1047220054739225
1114055a0496aa65
12536769095a821
132046aa8044454
14b9366a08729b
1556d47e32021a
hex2af24696c919

47220054739225 has 27 divisors (see below), whose sum is σ = 58720396879543. Its totient is φ = 37668268283840.

The previous prime is 47220054739217. The next prime is 47220054739229. The reversal of 47220054739225 is 52293745002274.

The square root of 47220054739225 is 6871685.

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

It can be written as a sum of positive squares in 13 ways, for example, as 27163307456649 + 20056747282576 = 5211843^2 + 4478476^2 .

It is not a de Polignac number, because 47220054739225 - 23 = 47220054739217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47220054739229) 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, 13365425559 + ... + 13365429091.

Almost surely, 247220054739225 is an apocalyptic number.

47220054739225 is the 6871685-th square number.

47220054739225 is the 3435843-rd centered octagonal number.

It is an amenable number.

47220054739225 is a deficient number, since it is larger than the sum of its proper divisors (11500342140318).

47220054739225 is an frugal number, since it uses more digits than its factorization.

47220054739225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7854 (or 3927 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 47220054739225 in words is "forty-seven trillion, two hundred twenty billion, fifty-four million, seven hundred thirty-nine thousand, two hundred twenty-five".

Divisors: 1 5 25 389 1945 3533 9725 17665 88325 151321 756605 1374337 3783025 6871685 12482089 34358425 62410445 312052225 534617093 2673085465 4855532621 13365427325 24277663105 121388315525 1888802189569 9444010947845 47220054739225