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1309470551041 = 1728328112
BaseRepresentation
bin10011000011100010100…
…001101110110000000001
311122011222020212021220211
4103003202201232300001
5132423243430113131
62441321254234121
7163414621014352
oct23034241566001
94564866767824
101309470551041
11465385a96384
1219194b055941
13966371bb5b3
144754328bd29
15240e059e5b1
hex130e286ec01

1309470551041 has 27 divisors (see below), whose sum is σ = 1409728836963. Its totient is φ = 1216092813120.

The previous prime is 1309470551029. The next prime is 1309470551087. The reversal of 1309470551041 is 1401550749031.

The square root of 1309470551041 is 1144321.

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

It can be written as a sum of positive squares in only one way, i.e., 1019483993025 + 289986558016 = 1009695^2 + 538504^2 .

It is not a de Polignac number, because 1309470551041 - 217 = 1309470419969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1309470550985 and 1309470551003.

It is not an unprimeable number, because it can be changed into a prime (1309470561041) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1614636526 + ... + 1614637336.

Almost surely, 21309470551041 is an apocalyptic number.

1309470551041 is the 1144321-st square number.

1309470551041 is the 572161-st centered octagonal number.

It is an amenable number.

1309470551041 is a deficient number, since it is larger than the sum of its proper divisors (100258285922).

1309470551041 is an frugal number, since it uses more digits than its factorization.

1309470551041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 1309470551041 in words is "one trillion, three hundred nine billion, four hundred seventy million, five hundred fifty-one thousand, forty-one".

Divisors: 1 17 83 289 811 1411 6889 13787 23987 67313 117113 234379 657721 1144321 1990921 5586979 11181257 19453457 54590843 94978643 190081369 928044331 1614636931 4531039969 15776753627 77027679473 1309470551041