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1232103120 = 243547109229
BaseRepresentation
bin100100101110000…
…0110011011010000
310011212102022201220
41021130012123100
510010404244440
6322132125040
742350463243
oct11134063320
93155368656
101232103120
11582543346
122a4766780
13168354801
14b98c925a
157327c8d0
hex497066d0

1232103120 has 80 divisors (see below), whose sum is σ = 3900821760. Its totient is φ = 321567232.

The previous prime is 1232103113. The next prime is 1232103139. The reversal of 1232103120 is 213012321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1232103120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43335 + ... + 65894.

It is an arithmetic number, because the mean of its divisors is an integer number (48760272).

Almost surely, 21232103120 is an apocalyptic number.

1232103120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232103120 is an abundant number, since it is smaller than the sum of its proper divisors (2668718640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1232103120 is a wasteful number, since it uses less digits than its factorization.

1232103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109292 (or 109286 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1232103120 is about 35101.3264706620. The cubic root of 1232103120 is about 1072.0515912276.

Adding to 1232103120 its reverse (213012321), we get a palindrome (1445115441).

The spelling of 1232103120 in words is "one billion, two hundred thirty-two million, one hundred three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 47 48 60 80 94 120 141 188 235 240 282 376 470 564 705 752 940 1128 1410 1880 2256 2820 3760 5640 11280 109229 218458 327687 436916 546145 655374 873832 1092290 1310748 1638435 1747664 2184580 2621496 3276870 4369160 5133763 5242992 6553740 8738320 10267526 13107480 15401289 20535052 25668815 26214960 30802578 41070104 51337630 61605156 77006445 82140208 102675260 123210312 154012890 205350520 246420624 308025780 410701040 616051560 1232103120