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12870519360 = 263528147711
BaseRepresentation
bin10111111110010010…
…01000101001000000
31020012222011010102020
423333021020221000
5202324323104420
65525043521440
7633641416026
oct137711105100
936188133366
1012870519360
115505088766
1225b2389280
1312a160873a
148a14a2716
15504dc7340
hex2ff248a40

12870519360 has 112 divisors (see below), whose sum is σ = 41010181632. Its totient is φ = 3419852800.

The previous prime is 12870519359. The next prime is 12870519437. The reversal of 12870519360 is 6391507821.

It is a super-2 number, since 2×128705193602 (a number of 21 digits) contains 22 as substring.

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, 245905 + ... + 293615.

It is an arithmetic number, because the mean of its divisors is an integer number (366162336).

Almost surely, 212870519360 is an apocalyptic number.

12870519360 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 12870519360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20505090816).

12870519360 is an abundant number, since it is smaller than the sum of its proper divisors (28139662272).

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

12870519360 is a wasteful number, since it uses less digits than its factorization.

12870519360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48012 (or 48002 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 12870519360 in words is "twelve billion, eight hundred seventy million, five hundred nineteen thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 281 320 480 562 843 960 1124 1405 1686 2248 2810 3372 4215 4496 5620 6744 8430 8992 11240 13488 16860 17984 22480 26976 33720 44960 47711 53952 67440 89920 95422 134880 143133 190844 238555 269760 286266 381688 477110 572532 715665 763376 954220 1145064 1431330 1526752 1908440 2290128 2862660 3053504 3816880 4580256 5725320 7633760 9160512 11450640 13406791 15267520 22901280 26813582 40220373 45802560 53627164 67033955 80440746 107254328 134067910 160881492 201101865 214508656 268135820 321762984 402203730 429017312 536271640 643525968 804407460 858034624 1072543280 1287051936 1608814920 2145086560 2574103872 3217629840 4290173120 6435259680 12870519360