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1230823830625 = 5419922232
BaseRepresentation
bin10001111010010010110…
…100010011010001100001
311100122222020011221111221
4101322102310103101201
5130131211400040000
62341233242135041
7154631650640314
oct21722264232141
94318866157457
101230823830625
11434a97a68284
1217a6604b1481
138c0b255783c
144380214297b
152203ace761a
hex11e92d13461

1230823830625 has 45 divisors (see below), whose sum is σ = 1552768074693. Its totient is φ = 975317706000.

The previous prime is 1230823830569. The next prime is 1230823830689. The reversal of 1230823830625 is 5260383280321.

The square root of 1230823830625 is 1109425.

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

It can be written as a sum of positive squares in 2 ways, for example, as 96496588321 + 1134327242304 = 310639^2 + 1065048^2 .

It is not a de Polignac number, because 1230823830625 - 221 = 1230821733473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5519389264 + ... + 5519389486.

Almost surely, 21230823830625 is an apocalyptic number.

1230823830625 is the 1109425-th square number.

1230823830625 is the 554713-rd centered octagonal number.

It is an amenable number.

1230823830625 is a deficient number, since it is larger than the sum of its proper divisors (321944244068).

1230823830625 is an frugal number, since it uses more digits than its factorization.

1230823830625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 1230823830625 in words is "one trillion, two hundred thirty billion, eight hundred twenty-three million, eight hundred thirty thousand, six hundred twenty-five".

Divisors: 1 5 25 125 199 223 625 995 1115 4975 5575 24875 27875 39601 44377 49729 124375 139375 198005 221885 248645 990025 1109425 1243225 4950125 5547125 6216125 8831023 9896071 24750625 27735625 31080625 44155115 49480355 220775575 247401775 1103877875 1237008875 1969318129 5519389375 6185044375 9846590645 49232953225 246164766125 1230823830625