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12310323120 = 2432523743377
BaseRepresentation
bin10110111011100000…
…01001111110110000
31011202221001012122100
423131300021332300
5200202420314440
65353312540400
7614030006604
oct133560117660
934687035570
1012310323120
115247946a67
122476851700
131212538284
1484ad1b504
154c0b1d230
hex2ddc09fb0

12310323120 has 120 divisors (see below), whose sum is σ = 43139712096. Its totient is φ = 3140020224.

The previous prime is 12310323119. The next prime is 12310323121. The reversal of 12310323120 is 2132301321.

12310323120 is a `hidden beast` number, since 12 + 310 + 32 + 312 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (12310323119) and next prime (12310323121).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12310323093 and 12310323102.

It is not an unprimeable number, because it can be changed into a prime (12310323121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355129 + ... + 388248.

Almost surely, 212310323120 is an apocalyptic number.

12310323120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310323120 is an abundant number, since it is smaller than the sum of its proper divisors (30829388976).

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

12310323120 is a wasteful number, since it uses less digits than its factorization.

12310323120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743419 (or 743410 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12310323120 its reverse (2132301321), we get a palindrome (14442624441).

The spelling of 12310323120 in words is "twelve billion, three hundred ten million, three hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 30 36 40 45 46 48 60 69 72 80 90 92 115 120 138 144 180 184 207 230 240 276 345 360 368 414 460 552 690 720 828 920 1035 1104 1380 1656 1840 2070 2760 3312 4140 5520 8280 16560 743377 1486754 2230131 2973508 3716885 4460262 5947016 6690393 7433770 8920524 11150655 11894032 13380786 14867540 17097671 17841048 22301310 26761572 29735080 33451965 34195342 35682096 44602620 51293013 53523144 59470160 66903930 68390684 85488355 89205240 102586026 107046288 133807860 136781368 153879039 170976710 178410480 205172052 256465065 267615720 273562736 307758078 341953420 410344104 512930130 535231440 615516156 683906840 769395195 820688208 1025860260 1231032312 1367813680 1538790390 2051720520 2462064624 3077580780 4103441040 6155161560 12310323120