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11988490753600 = 2652865612
BaseRepresentation
bin1010111001110100100110…
…1110111001011001000000
31120110002101112101210211021
42232131021232321121000
53032404412113103400
641255234150555224
72345065656022204
oct256351156713100
946402345353737
1011988490753600
113902321544719
121417549368b14
1368c68212360a
142d636322ab04
1515bcac7dd71a
hexae749bb9640

11988490753600 has 63 divisors (see below), whose sum is σ = 29499520855171. Its totient is φ = 4795340902400.

The previous prime is 11988490753559. The next prime is 11988490753703. The reversal of 11988490753600 is 635709488911.

The square root of 11988490753600 is 3462440.

It is a perfect power (a square), and thus also a powerful number.

11988490753600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1709336597056 + 10279154156544 = 1307416^2 + 3206112^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 138454320 + ... + 138540880.

Almost surely, 211988490753600 is an apocalyptic number.

11988490753600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11988490753600 is the 3462440-th square number.

It is an amenable number.

11988490753600 is an abundant number, since it is smaller than the sum of its proper divisors (17511030101571).

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

11988490753600 is an frugal number, since it uses more digits than its factorization.

11988490753600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173144 (or 86568 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 11988490753600 in words is "eleven trillion, nine hundred eighty-eight billion, four hundred ninety million, seven hundred fifty-three thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 86561 173122 346244 432805 692488 865610 1384976 1731220 2164025 2769952 3462440 4328050 5539904 6924880 8656100 13849760 17312200 27699520 34624400 69248800 138497600 7492806721 14985613442 29971226884 37464033605 59942453768 74928067210 119884907536 149856134420 187320168025 239769815072 299712268840 374640336050 479539630144 599424537680 749280672100 1198849075360 1498561344200 2397698150720 2997122688400 5994245376800 11988490753600