Search a number
-
+
20133441340 = 2252371424577
BaseRepresentation
bin10010110000000010…
…111110111100111100
31220222010121210100121
4102300002332330330
5312213130110330
613125453304324
71311632266465
oct226002767474
956863553317
1020133441340
1185a1891521
123a9a7950a4
131b8b2298cc
14d8dcddd6c
157cc82917a
hex4b00bef3c

20133441340 has 24 divisors (see below), whose sum is σ = 42298158672. Its totient is φ = 8049960960.

The previous prime is 20133441337. The next prime is 20133441373. The reversal of 20133441340 is 4314433102.

It is a congruent number.

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, 164869 + ... + 259708.

It is an arithmetic number, because the mean of its divisors is an integer number (1762423278).

Almost surely, 220133441340 is an apocalyptic number.

20133441340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133441340 is an abundant number, since it is smaller than the sum of its proper divisors (22164717332).

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

20133441340 is a wasteful number, since it uses less digits than its factorization.

20133441340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426957 (or 426955 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20133441340 its reverse (4314433102), we get a palindrome (24447874442).

The spelling of 20133441340 in words is "twenty billion, one hundred thirty-three million, four hundred forty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2371 4742 9484 11855 23710 47420 424577 849154 1698308 2122885 4245770 8491540 1006672067 2013344134 4026688268 5033360335 10066720670 20133441340