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1312020412210 = 251378839108347
BaseRepresentation
bin10011000101111010100…
…000101011011100110010
311122102112221212122212101
4103011322200223130302
5132444004211142320
62442422302451014
7163535042332054
oct23057240533462
94572487778771
101312020412210
11466474355862
12192340b93a6a
1396952557ba1
1447705b9b8d4
15241de378c0a
hex1317a82b732

1312020412210 has 32 divisors (see below), whose sum is σ = 2379166058880. Its totient is φ = 520913699712.

The previous prime is 1312020412189. The next prime is 1312020412237. The reversal of 1312020412210 is 122140202131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12055257 + ... + 12163603.

It is an arithmetic number, because the mean of its divisors is an integer number (74348939340).

Almost surely, 21312020412210 is an apocalyptic number.

1312020412210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312020412210 is a deficient number, since it is larger than the sum of its proper divisors (1067145646670).

1312020412210 is a wasteful number, since it uses less digits than its factorization.

1312020412210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117330.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1312020412210 its reverse (122140202131), we get a palindrome (1434160614341).

The spelling of 1312020412210 in words is "one trillion, three hundred twelve billion, twenty million, four hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 137 274 685 1370 8839 17678 44195 88390 108347 216694 541735 1083470 1210943 2421886 6054715 12109430 14843539 29687078 74217695 148435390 957679133 1915358266 4788395665 9576791330 131202041221 262404082442 656010206105 1312020412210