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11985268360 = 23513312333191
BaseRepresentation
bin10110010100110000…
…01010111010001000
31010221021101201100011
423022120022322020
5144021212041420
65301141521304
7603002046232
oct131230127210
933837351304
1011985268360
1150a040a56a
1223a5a13234
1311900a7390
14819aa5252
154a231095a
hex2ca60ae88

11985268360 has 128 divisors (see below), whose sum is σ = 30116136960. Its totient is φ = 4262860800.

The previous prime is 11985268333. The next prime is 11985268403. The reversal of 11985268360 is 6386258911.

It is a super-2 number, since 2×119852683602 (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 31 ways as a sum of consecutive naturals, for example, 3754365 + ... + 3757555.

It is an arithmetic number, because the mean of its divisors is an integer number (235282320).

Almost surely, 211985268360 is an apocalyptic number.

11985268360 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 11985268360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15058068480).

11985268360 is an abundant number, since it is smaller than the sum of its proper divisors (18130868600).

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

11985268360 is a wasteful number, since it uses less digits than its factorization.

11985268360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479 (or 3475 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 11985268360 in words is "eleven billion, nine hundred eighty-five million, two hundred sixty-eight thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 13 20 26 31 40 52 62 65 104 124 130 155 233 248 260 310 403 466 520 620 806 932 1165 1240 1612 1864 2015 2330 3029 3191 3224 4030 4660 6058 6382 7223 8060 9320 12116 12764 14446 15145 15955 16120 24232 25528 28892 30290 31910 36115 41483 57784 60580 63820 72230 82966 93899 98921 121160 127640 144460 165932 187798 197842 207415 288920 331864 375596 395684 414830 469495 494605 743503 751192 791368 829660 938990 989210 1285973 1487006 1659320 1877980 1978420 2571946 2974012 3717515 3755960 3956840 5143892 5948024 6429865 7435030 9665539 10287784 12859730 14870060 19331078 23048593 25719460 29740120 38662156 46097186 48327695 51438920 77324312 92194372 96655390 115242965 184388744 193310780 230485930 299631709 386621560 460971860 599263418 921943720 1198526836 1498158545 2397053672 2996317090 5992634180 11985268360