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27440230734 = 233777393911
BaseRepresentation
bin11001100011100100…
…001011000101001110
32121211100122011002000
4121203210023011032
5422144144340414
620334511213130
71660665053460
oct314344130516
977740564060
1027440230734
1110701327544
1253998171a6
132783c69a27
1414844ba130
15aa9043b09
hex66390b14e

27440230734 has 64 divisors (see below), whose sum is σ = 69780372480. Its totient is φ = 7829840160.

The previous prime is 27440230717. The next prime is 27440230751. The reversal of 27440230734 is 43703204472.

It is an interprime number because it is at equal distance from previous prime (27440230717) and next prime (27440230751).

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, 245239 + ... + 339149.

It is an arithmetic number, because the mean of its divisors is an integer number (1090318320).

Almost surely, 227440230734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27440230734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34890186240).

27440230734 is an abundant number, since it is smaller than the sum of its proper divisors (42340141746).

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

27440230734 is a wasteful number, since it uses less digits than its factorization.

27440230734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94702 (or 94696 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 36.

The spelling of 27440230734 in words is "twenty-seven billion, four hundred forty million, two hundred thirty thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 773 1546 2319 4638 5411 6957 10822 13914 16233 20871 32466 41742 48699 93911 97398 146097 187822 281733 292194 563466 657377 845199 1314754 1690398 1972131 2535597 3944262 5071194 5916393 11832786 17749179 35498358 72593203 145186406 217779609 435559218 508152421 653338827 1016304842 1306677654 1524457263 1960016481 3048914526 3920032962 4573371789 9146743578 13720115367 27440230734