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1371414505205 = 51873146440417
BaseRepresentation
bin10011111101001110101…
…011001010011011110101
311212002212020100012110102
4103331032223022123311
5134432124103131310
62530004044203445
7201036633646043
oct23751653123365
94762766305412
101371414505205
1148968280aa28
121a1957b39585
139c4295cb904
144a53bdab393
1525a187e38a5
hex13f4eaca6f5

1371414505205 has 8 divisors (see below), whose sum is σ = 1646576059992. Its totient is φ = 1096545835008.

The previous prime is 1371414505171. The next prime is 1371414505319. The reversal of 1371414505205 is 5025054141731.

It can be written as a sum of positive squares in 4 ways, for example, as 21372685636 + 1350041819569 = 146194^2 + 1161913^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1371414505205 - 212 = 1371414501109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73210844 + ... + 73229573.

It is an arithmetic number, because the mean of its divisors is an integer number (205822007499).

Almost surely, 21371414505205 is an apocalyptic number.

It is an amenable number.

1371414505205 is a deficient number, since it is larger than the sum of its proper divisors (275161554787).

1371414505205 is a wasteful number, since it uses less digits than its factorization.

1371414505205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146442295.

The product of its (nonzero) digits is 84000, while the sum is 38.

Adding to 1371414505205 its reverse (5025054141731), we get a palindrome (6396468646936).

The spelling of 1371414505205 in words is "one trillion, three hundred seventy-one billion, four hundred fourteen million, five hundred five thousand, two hundred five".

Divisors: 1 5 1873 9365 146440417 732202085 274282901041 1371414505205