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12340003340 = 2257194639099
BaseRepresentation
bin10110111111000010…
…11000001000001100
31011211222220010020202
423133201120020030
5200233020101330
65400253033032
7614540204060
oct133741301014
934758803222
1012340003340
115262679175
122484785778
13121872a832
14850c45aa0
154c3532445
hex2df85820c

12340003340 has 48 divisors (see below), whose sum is σ = 31174752000. Its totient is φ = 4008180672.

The previous prime is 12340003261. The next prime is 12340003373. The reversal of 12340003340 is 4330004321.

It is a super-2 number, since 2×123400033402 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 2316890 + ... + 2322209.

It is an arithmetic number, because the mean of its divisors is an integer number (649474000).

Almost surely, 212340003340 is an apocalyptic number.

12340003340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12340003340 is an abundant number, since it is smaller than the sum of its proper divisors (18834748660).

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

12340003340 is a wasteful number, since it uses less digits than its factorization.

12340003340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639134 (or 4639132 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 12340003340 its reverse (4330004321), we get a palindrome (16670007661).

The spelling of 12340003340 in words is "twelve billion, three hundred forty million, three thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 532 665 1330 2660 4639099 9278198 18556396 23195495 32473693 46390990 64947386 88142881 92781980 129894772 162368465 176285762 324736930 352571524 440714405 617000167 649473860 881428810 1234000334 1762857620 2468000668 3085000835 6170001670 12340003340