Search a number
-
+
23133230340 = 223511127275987
BaseRepresentation
bin10101100010110110…
…010001010100000100
32012201012020212020220
4111202312101110010
5334334101332330
614343253224340
71446156133143
oct254266212404
965635225226
1023133230340
1198a1118390
1245973320b0
13224886909c
14119648d75a
15905d7a710
hex562d91504

23133230340 has 96 divisors (see below), whose sum is σ = 71218151424. Its totient is φ = 5563877760.

The previous prime is 23133230333. The next prime is 23133230353. The reversal of 23133230340 is 4303233132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23133230340.

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, 54174 + ... + 221813.

It is an arithmetic number, because the mean of its divisors is an integer number (741855744).

Almost surely, 223133230340 is an apocalyptic number.

23133230340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23133230340 is an abundant number, since it is smaller than the sum of its proper divisors (48084921084).

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

23133230340 is a wasteful number, since it uses less digits than its factorization.

23133230340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276137 (or 276135 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 23133230340 its reverse (4303233132), we get a palindrome (27436463472).

The spelling of 23133230340 in words is "twenty-three billion, one hundred thirty-three million, two hundred thirty thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 127 132 165 220 254 330 381 508 635 660 762 1270 1397 1524 1905 2540 2794 3810 4191 5588 6985 7620 8382 13970 16764 20955 27940 41910 83820 275987 551974 827961 1103948 1379935 1655922 2759870 3035857 3311844 4139805 5519740 6071714 8279610 9107571 12143428 15179285 16559220 18215142 30358570 35050349 36430284 45537855 60717140 70100698 91075710 105151047 140201396 175251745 182151420 210302094 350503490 385553839 420604188 525755235 701006980 771107678 1051510470 1156661517 1542215356 1927769195 2103020940 2313323034 3855538390 4626646068 5783307585 7711076780 11566615170 23133230340