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1197394005025 = 5289224592
BaseRepresentation
bin10001011011001010001…
…111101000110000100001
311020110200110001211221001
4101123022033220300201
5124104230331130100
62314024125032001
7152336353053031
oct21331217506041
94213613054831
101197394005025
114218a2777539
121740909b5601
1388bb572614a
1441d503a58c1
1521231023d6a
hex116ca3e8c21

1197394005025 has 27 divisors (see below), whose sum is σ = 1502249725081. Its totient is φ = 946766934080.

The previous prime is 1197394005011. The next prime is 1197394005029. The reversal of 1197394005025 is 5205004937911.

The square root of 1197394005025 is 1094255.

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

It can be written as a sum of positive squares in 4 ways, for example, as 249177677329 + 948216327696 = 499177^2 + 973764^2 .

It is not a de Polignac number, because 1197394005025 - 25 = 1197394004993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1197394005029) 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, 486942246 + ... + 486944704.

Almost surely, 21197394005025 is an apocalyptic number.

1197394005025 is the 1094255-th square number.

1197394005025 is the 547128-th centered octagonal number.

It is an amenable number.

1197394005025 is a deficient number, since it is larger than the sum of its proper divisors (304855720056).

1197394005025 is an frugal number, since it uses more digits than its factorization.

1197394005025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106 (or 2553 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 1197394005025 in words is "one trillion, one hundred ninety-seven billion, three hundred ninety-four million, five thousand, twenty-five".

Divisors: 1 5 25 89 445 2225 2459 7921 12295 39605 61475 198025 218851 1094255 5471275 6046681 19477739 30233405 97388695 151167025 486943475 538154609 2690773045 13453865225 47895760201 239478801005 1197394005025