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12048309860 = 2259714941681
BaseRepresentation
bin10110011100010001…
…01001111001100100
31011002200000120000112
423032020221321210
5144133331403420
65311313032152
7604365641546
oct131610517144
934080016015
1012048309860
115122a58584
122402b55658
1311a017a842
148241d5696
154a7b148c5
hex2ce229e64

12048309860 has 48 divisors (see below), whose sum is σ = 25734466800. Its totient is φ = 4737515520.

The previous prime is 12048309851. The next prime is 12048309899. The reversal of 12048309860 is 6890384021.

It can be written as a sum of positive squares in 8 ways, for example, as 184307776 + 11864002084 = 13576^2 + 108922^2 .

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, 268220 + ... + 309900.

It is an arithmetic number, because the mean of its divisors is an integer number (536134725).

Almost surely, 212048309860 is an apocalyptic number.

12048309860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12048309860 is an abundant number, since it is smaller than the sum of its proper divisors (13686156940).

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

12048309860 is a wasteful number, since it uses less digits than its factorization.

12048309860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41936 (or 41934 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 12048309860 in words is "twelve billion, forty-eight million, three hundred nine thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 97 149 194 298 388 485 596 745 970 1490 1940 2980 14453 28906 41681 57812 72265 83362 144530 166724 208405 289060 416810 833620 4043057 6210469 8086114 12420938 16172228 20215285 24841876 31052345 40430570 62104690 80861140 124209380 602415493 1204830986 2409661972 3012077465 6024154930 12048309860