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727481055625 = 5410923132
BaseRepresentation
bin10101001011000010011…
…11111111100110001001
32120112202101221200000221
422211201033333212021
543404340122240000
61314111123430041
7103362441642142
oct12454117774611
92515671850027
10727481055625
112605830aa515
12b8ba7b25321
13537a79cbabc
14272d2daaac9
1513dcb9b261a
hexa9613ff989

727481055625 has 45 divisors (see below), whose sum is σ = 920417444793. Its totient is φ = 574803216000.

The previous prime is 727481055619. The next prime is 727481055739. The reversal of 727481055625 is 526550184727.

The square root of 727481055625 is 852925.

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

It can be written as a sum of positive squares in 22 ways, for example, as 362756857849 + 364724197776 = 602293^2 + 603924^2 .

It is not a de Polignac number, because 727481055625 - 25 = 727481055593 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, 2324220469 + ... + 2324220781.

Almost surely, 2727481055625 is an apocalyptic number.

727481055625 is the 852925-th square number.

727481055625 is the 426463-rd centered octagonal number.

It is an amenable number.

727481055625 is a deficient number, since it is larger than the sum of its proper divisors (192936389168).

727481055625 is an frugal number, since it uses more digits than its factorization.

727481055625 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 4704000, while the sum is 52.

The spelling of 727481055625 in words is "seven hundred twenty-seven billion, four hundred eighty-one million, fifty-five thousand, six hundred twenty-five".

Divisors: 1 5 25 109 125 313 545 625 1565 2725 7825 11881 13625 34117 39125 59405 68125 97969 170585 195625 297025 489845 852925 1485125 2449225 3718753 4264625 7425625 10678621 12246125 18593765 21323125 53393105 61230625 92968825 266965525 464844125 1163969689 1334827625 2324220625 5819848445 6674138125 29099242225 145496211125 727481055625