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66560115008030 = 2573169403441953
BaseRepresentation
bin11110010001001001111000…
…00000101110001000011110
322201200002021212010121012212
433020210330000232020132
532211010103420224110
6353321143354000422
720006544461444330
oct1710447400561036
9281602255117185
1066560115008030
111a231a93781276
12756b967a16112
132b1a790582c07
1412617535b9450
157a65ac03ce05
hex3c893c02e21e

66560115008030 has 64 divisors (see below), whose sum is σ = 141342913916928. Its totient is φ = 22084093946880.

The previous prime is 66560115008027. The next prime is 66560115008047. The reversal of 66560115008030 is 3080051106566.

It is a Curzon number.

It is a congruent number.

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, 150383534 + ... + 150825486.

It is an arithmetic number, because the mean of its divisors is an integer number (2208483029952).

Almost surely, 266560115008030 is an apocalyptic number.

66560115008030 is an abundant number, since it is smaller than the sum of its proper divisors (74782798908898).

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

66560115008030 is a wasteful number, since it uses less digits than its factorization.

66560115008030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511401.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 66560115008030 in words is "sixty-six trillion, five hundred sixty billion, one hundred fifteen million, eight thousand, thirty".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 2170 69403 138806 347015 441953 485821 694030 883906 971642 2151493 2209765 2429105 3093671 4302986 4419530 4858210 6187342 10757465 13700543 15060451 15468355 21514930 27401086 30120902 30936710 68502715 75302255 95903801 137005430 150604510 191807602 479519005 959038010 30672864059 61345728118 153364320295 214710048413 306728640590 429420096826 950858785829 1073550242065 1901717571658 2147100484130 4754293929145 6656011500803 9508587858290 13312023001606 33280057504015 66560115008030