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1257300670712 = 23318069628301
BaseRepresentation
bin10010010010111100111…
…101011011100011111000
311110012022110000210001212
4102102330331123203320
5131044422432430322
62401332420502252
7156560040240032
oct22227475334370
94405273023055
101257300670712
114452444a60a9
1218380b54a988
1391741a34818
1444bd46c0c52
1522a8a48c0e2
hex124bcf5b8f8

1257300670712 has 32 divisors (see below), whose sum is σ = 2433790627200. Its totient is φ = 608294928000.

The previous prime is 1257300670699. The next prime is 1257300670729. The reversal of 1257300670712 is 2170760037521.

It is a self number, because there is not a number n which added to its sum of digits gives 1257300670712.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1686962 + ... + 2315262.

It is an arithmetic number, because the mean of its divisors is an integer number (76055957100).

Almost surely, 21257300670712 is an apocalyptic number.

It is an amenable number.

1257300670712 is a deficient number, since it is larger than the sum of its proper divisors (1176489956488).

1257300670712 is a wasteful number, since it uses less digits than its factorization.

1257300670712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636407 (or 636403 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 1257300670712 in words is "one trillion, two hundred fifty-seven billion, three hundred million, six hundred seventy thousand, seven hundred twelve".

Divisors: 1 2 4 8 31 62 124 248 8069 16138 32276 64552 250139 500278 628301 1000556 1256602 2001112 2513204 5026408 19477331 38954662 77909324 155818648 5069760769 10139521538 20279043076 40558086152 157162583839 314325167678 628650335356 1257300670712