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140831325625 = 541728832
BaseRepresentation
bin1000001100101000110…
…0110111110110111001
3111110111202222121010011
42003022030313312321
54301410304410000
6144410320021521
713113634342114
oct2031214676671
9443452877104
10140831325625
11547a9680411
12233641618a1
1310384b92353
146b5dbcd57b
1539e3bd52ba
hex20ca337db9

140831325625 has 45 divisors (see below), whose sum is σ = 187155646491. Its totient is φ = 105917616000.

The previous prime is 140831325611. The next prime is 140831325643. The reversal of 140831325625 is 526523138041.

The square root of 140831325625 is 375275.

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

It can be written as a sum of positive squares in 7 ways, for example, as 68775587001 + 72055738624 = 262251^2 + 268432^2 .

It is not a de Polignac number, because 140831325625 - 233 = 132241391033 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, 159491434 + ... + 159492316.

Almost surely, 2140831325625 is an apocalyptic number.

140831325625 is the 375275-th square number.

140831325625 is the 187638-th centered octagonal number.

It is an amenable number.

140831325625 is a deficient number, since it is larger than the sum of its proper divisors (46324320866).

140831325625 is an frugal number, since it uses more digits than its factorization.

140831325625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 140831325625 in words is "one hundred forty billion, eight hundred thirty-one million, three hundred twenty-five thousand, six hundred twenty-five".

Divisors: 1 5 17 25 85 125 289 425 625 883 1445 2125 4415 7225 10625 15011 22075 36125 75055 110375 180625 255187 375275 551875 779689 1275935 1876375 3898445 6379675 9381875 13254713 19492225 31898375 66273565 97461125 159491875 225330121 331367825 487305625 1126650605 1656839125 5633253025 8284195625 28166265125 140831325625