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1312204130 = 2510710911251
BaseRepresentation
bin100111000110110…
…1010010101100010
310101110010212122222
41032031222111202
510141411013010
6334113031042
744342360006
oct11615522542
93343125588
101312204130
11613783426
12307555482
1317bb1bb63
14c63ba706
157a301355
hex4e36a562

1312204130 has 32 divisors (see below), whose sum is σ = 2406127680. Its totient is φ = 515160000.

The previous prime is 1312204129. The next prime is 1312204169. The reversal of 1312204130 is 314022131.

It is a junction number, because it is equal to n+sod(n) for n = 1312204099 and 1312204108.

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, 111005 + ... + 122255.

It is an arithmetic number, because the mean of its divisors is an integer number (75191490).

Almost surely, 21312204130 is an apocalyptic number.

1312204130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312204130 is a deficient number, since it is larger than the sum of its proper divisors (1093923550).

1312204130 is a wasteful number, since it uses less digits than its factorization.

1312204130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11474.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1312204130 is about 36224.3582413823. The cubic root of 1312204130 is about 1094.7975077843.

Adding to 1312204130 its reverse (314022131), we get a palindrome (1626226261).

The spelling of 1312204130 in words is "one billion, three hundred twelve million, two hundred four thousand, one hundred thirty".

Divisors: 1 2 5 10 107 109 214 218 535 545 1070 1090 11251 11663 22502 23326 56255 58315 112510 116630 1203857 1226359 2407714 2452718 6019285 6131795 12038570 12263590 131220413 262440826 656102065 1312204130