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23005172010 = 2352361754037
BaseRepresentation
bin10101011011001101…
…110001000100101010
32012101021021211020210
4111123031301010222
5334103311001020
614322440401550
71443042510222
oct253315610452
965337254223
1023005172010
119835902257
1245604762b6
132228180322
141183477082
158e99d23e0
hex55b37112a

23005172010 has 64 divisors (see below), whose sum is σ = 57707396352. Its totient is φ = 5858366976.

The previous prime is 23005171993. The next prime is 23005172017. The reversal of 23005172010 is 1027150032.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23005172017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398712 + ... + 452748.

It is an arithmetic number, because the mean of its divisors is an integer number (901678068).

Almost surely, 223005172010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23005172010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28853698176).

23005172010 is an abundant number, since it is smaller than the sum of its proper divisors (34702224342).

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

23005172010 is a wasteful number, since it uses less digits than its factorization.

23005172010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54687.

The product of its (nonzero) digits is 420, while the sum is 21.

The spelling of 23005172010 in words is "twenty-three billion, five million, one hundred seventy-two thousand, ten".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 617 690 1234 1851 3085 3702 6170 9255 14191 18510 28382 42573 54037 70955 85146 108074 141910 162111 212865 270185 324222 425730 540370 810555 1242851 1621110 2485702 3728553 6214255 7457106 12428510 18642765 33340829 37285530 66681658 100022487 166704145 200044974 333408290 500112435 766839067 1000224870 1533678134 2300517201 3834195335 4601034402 7668390670 11502586005 23005172010