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66404151130304 = 261397822811151
BaseRepresentation
bin11110001100100111010111…
…10101101111100011000000
322201010011201110120201010002
433012103223311233203000
532200431200142132204
6353121351302455132
716662353524402421
oct1706235365574300
9281104643521102
1066404151130304
111a18192a184559
12754569ba344a8
132b08b66574530
141257d99b3d648
157a24ceaad91e
hex3c64ebd6f8c0

66404151130304 has 56 divisors (see below), whose sum is σ = 143369906369088. Its totient is φ = 30332110233600.

The previous prime is 66404151130279. The next prime is 66404151130321. The reversal of 66404151130304 is 40303115140466.

It is a super-2 number, since 2×664041511303042 (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 7 ways as a sum of consecutive naturals, for example, 411324872 + ... + 411486279.

It is an arithmetic number, because the mean of its divisors is an integer number (2560176899448).

Almost surely, 266404151130304 is an apocalyptic number.

66404151130304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

66404151130304 is an abundant number, since it is smaller than the sum of its proper divisors (76965755238784).

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

66404151130304 is a wasteful number, since it uses less digits than its factorization.

66404151130304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822811273 (or 822811263 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 66404151130304 in words is "sixty-six trillion, four hundred four billion, one hundred fifty-one million, one hundred thirty thousand, three hundred four".

Divisors: 1 2 4 8 13 16 26 32 52 64 97 104 194 208 388 416 776 832 1261 1552 2522 3104 5044 6208 10088 20176 40352 80704 822811151 1645622302 3291244604 6582489208 10696544963 13164978416 21393089926 26329956832 42786179852 52659913664 79812681647 85572359704 159625363294 171144719408 319250726588 342289438816 638501453176 684578877632 1037564861411 1277002906352 2075129722822 2554005812704 4150259445644 5108011625408 8300518891288 16601037782576 33202075565152 66404151130304