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12297701025 = 325273932
BaseRepresentation
bin10110111010000000…
…00000011010100001
31011202001021221101100
423131000000122201
5200141202413100
65352142225013
7613514506521
oct133500003241
934661257340
1012297701025
115240805885
122472585169
13120ca3908c
14849393681
154be978400
hex2dd0006a1

12297701025 has 27 divisors (see below), whose sum is σ = 22029528729. Its totient is φ = 6557886720.

The previous prime is 12297700997. The next prime is 12297701033. The reversal of 12297701025 is 52010779221.

The square root of 12297701025 is 110895.

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 2963822481 + 9333878544 = 54441^2 + 96612^2 .

It is not a de Polignac number, because 12297701025 - 25 = 12297700993 is a prime.

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, 1659729 + ... + 1667121.

Almost surely, 212297701025 is an apocalyptic number.

12297701025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12297701025 is the 110895-th square number.

12297701025 is the 55448-th centered octagonal number.

It is an amenable number.

12297701025 is a deficient number, since it is larger than the sum of its proper divisors (9731827704).

12297701025 is an frugal number, since it uses more digits than its factorization.

12297701025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14802 (or 7401 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

Multiplying 12297701025 by its sum of digits (36), we get a square (442717236900 = 6653702).

The spelling of 12297701025 in words is "twelve billion, two hundred ninety-seven million, seven hundred one thousand, twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 7393 22179 36965 66537 110895 184825 332685 554475 1663425 54656449 163969347 273282245 491908041 819846735 1366411225 2459540205 4099233675 12297701025