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1321404130 = 25271487603
BaseRepresentation
bin100111011000011…
…0000011011100010
310102002110021200201
41032300300123202
510201234413010
6335042135414
744513515114
oct11660603342
93362407621
101321404130
11618997532
1230a65156a
131809c0547
14c76d33b4
157b01c23a
hex4ec306e2

1321404130 has 16 divisors (see below), whose sum is σ = 2387309184. Its totient is φ = 526610160.

The previous prime is 1321404121. The next prime is 1321404151. The reversal of 1321404130 is 314041231.

It is a super-2 number, since 2×13214041302 = 3492217749562113800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1321404098 and 1321404107.

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, 241092 + ... + 246511.

It is an arithmetic number, because the mean of its divisors is an integer number (149206824).

Almost surely, 21321404130 is an apocalyptic number.

1321404130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321404130 is a deficient number, since it is larger than the sum of its proper divisors (1065905054).

1321404130 is a wasteful number, since it uses less digits than its factorization.

1321404130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487881.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1321404130 is about 36351.1228162212. The cubic root of 1321404130 is about 1097.3501313095.

Adding to 1321404130 its reverse (314041231), we get a palindrome (1635445361).

The spelling of 1321404130 in words is "one billion, three hundred twenty-one million, four hundred four thousand, one hundred thirty".

Divisors: 1 2 5 10 271 542 1355 2710 487603 975206 2438015 4876030 132140413 264280826 660702065 1321404130