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12341151240 = 23351111638039
BaseRepresentation
bin10110111111001011…
…10000011000001000
31011212002001102212120
423133211300120020
5200233313314430
65400333411240
7614553024525
oct133745603010
934762042776
1012341151240
115263292650
122485039b20
131218a40172
1485106414c
154c36ac610
hex2df970608

12341151240 has 128 divisors (see below), whose sum is σ = 40428979200. Its totient is φ = 2988849920.

The previous prime is 12341151217. The next prime is 12341151247. The reversal of 12341151240 is 4215114321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12341151240.

It is not an unprimeable number, because it can be changed into a prime (12341151247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1531141 + ... + 1539179.

It is an arithmetic number, because the mean of its divisors is an integer number (315851400).

Almost surely, 212341151240 is an apocalyptic number.

12341151240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12341151240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20214489600).

12341151240 is an abundant number, since it is smaller than the sum of its proper divisors (28087827960).

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

12341151240 is a wasteful number, since it uses less digits than its factorization.

12341151240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9227 (or 9223 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 12341151240 its reverse (4215114321), we get a palindrome (16556265561).

The spelling of 12341151240 in words is "twelve billion, three hundred forty-one million, one hundred fifty-one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1163 1320 2326 3489 4652 5815 6978 8039 9304 11630 12793 13956 16078 17445 23260 24117 25586 27912 32156 34890 38379 40195 46520 48234 51172 63965 64312 69780 76758 80390 88429 96468 102344 120585 127930 139560 153516 160780 176858 191895 192936 241170 255860 265287 307032 321560 353716 383790 442145 482340 511720 530574 707432 767580 884290 964680 1061148 1326435 1535160 1768580 2122296 2652870 3537160 5305740 9349357 10611480 18698714 28048071 37397428 46746785 56096142 74794856 93493570 102842927 112192284 140240355 186987140 205685854 224384568 280480710 308528781 373974280 411371708 514214635 560961420 617057562 822743416 1028429270 1121922840 1234115124 1542643905 2056858540 2468230248 3085287810 4113717080 6170575620 12341151240