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748457328236225 = 52731126136418933
BaseRepresentation
bin1010101000101101111100110…
…1001011011101011011000001
310122011001211012002021122000212
42222023133031023131123001
51241100211102012024400
611211500314434523505
7313436154215412446
oct25213371513353301
93564054162248025
10748457328236225
111a7532a74602143
126bb40064a36595
13261822b94cb47a
14d2b7756a8b9cd
155b7e15ce12335
hex2a8b7cd2dd6c1

748457328236225 has 24 divisors (see below), whose sum is σ = 940884179620152. Its totient is φ = 590511131020800.

The previous prime is 748457328236119. The next prime is 748457328236251. The reversal of 748457328236225 is 522632823754847.

It can be written as a sum of positive squares in 12 ways, for example, as 22032847415056 + 726424480821169 = 4693916^2 + 26952263^2 .

It is not a de Polignac number, because 748457328236225 - 226 = 748457261127361 is a prime.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2341859 + ... + 38760791.

It is an arithmetic number, because the mean of its divisors is an integer number (39203507484173).

Almost surely, 2748457328236225 is an apocalyptic number.

It is an amenable number.

748457328236225 is a deficient number, since it is larger than the sum of its proper divisors (192426851383927).

748457328236225 is a wasteful number, since it uses less digits than its factorization.

748457328236225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36430277 (or 36430272 counting only the distinct ones).

The product of its digits is 1083801600, while the sum is 68.

The spelling of 748457328236225 in words is "seven hundred forty-eight trillion, four hundred fifty-seven billion, three hundred twenty-eight million, two hundred thirty-six thousand, two hundred twenty-five".

Divisors: 1 5 25 73 365 1825 11261 56305 281525 822053 4110265 20551325 36418933 182094665 910473325 2658582109 13292910545 66464552725 410113604513 2050568022565 10252840112825 29938293129449 149691465647245 748457328236225