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66060042000260 = 22571146379250837
BaseRepresentation
bin11110000010100110011010…
…10101100101011110000100
322122220021111220112201010212
433001103031111211132010
532124311431223002020
6352255321521534552
716625452265143220
oct1701231525453604
9278807456481125
1066060042000260
111a0599a7588a80
1274aaa664a4458
132ab2587282599
1412454747cd780
1579858ecd7cc5
hex3c14cd565784

66060042000260 has 96 divisors (see below), whose sum is σ = 172994518948608. Its totient is φ = 20585700334080.

The previous prime is 66060042000229. The next prime is 66060042000319. The reversal of 66060042000260 is 6200024006066.

It is a super-2 number, since 2×660600420002602 (a number of 28 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, 2515562 + ... + 11766398.

It is an arithmetic number, because the mean of its divisors is an integer number (1802026239048).

Almost surely, 266060042000260 is an apocalyptic number.

It is an amenable number.

66060042000260 is an abundant number, since it is smaller than the sum of its proper divisors (106934476948348).

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

66060042000260 is a wasteful number, since it uses less digits than its factorization.

66060042000260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9255501 (or 9255499 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 66060042000260 in words is "sixty-six trillion, sixty billion, forty-two million, two hundred sixty", and thus it is an aban number.

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 4637 9274 18548 23185 32459 46370 51007 64918 92740 102014 129836 162295 204028 255035 324590 357049 510070 649180 714098 1020140 1428196 1785245 3570490 7140980 9250837 18501674 37003348 46254185 64755859 92508370 101759207 129511718 185016740 203518414 259023436 323779295 407036828 508796035 647558590 712314449 1017592070 1295117180 1424628898 2035184140 2849257796 3561572245 7123144490 14246288980 42896131169 85792262338 171584524676 214480655845 300272918183 428961311690 471857442859 600545836366 857922623380 943714885718 1201091672732 1501364590915 1887429771436 2359287214295 3002729181830 3303002100013 4718574428590 6005458363660 6606004200026 9437148857180 13212008400052 16515010500065 33030021000130 66060042000260