Search a number
-
+
23140054305 = 32517198319181
BaseRepresentation
bin10101100011010000…
…010011010100100001
32012201200002112222100
4111203100103110201
5334342323214210
614344055401013
71446301134114
oct254320232441
965650075870
1023140054305
1198a4a59325
124599683169
13224a0b8134
14119734857b
159067775c0
hex563413521

23140054305 has 96 divisors (see below), whose sum is σ = 45244967040. Its totient is φ = 10870917120.

The previous prime is 23140054283. The next prime is 23140054321. The reversal of 23140054305 is 50345004132.

It is not a de Polignac number, because 23140054305 - 212 = 23140050209 is a prime.

It is a super-2 number, since 2×231400543052 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1196815 + ... + 1215995.

It is an arithmetic number, because the mean of its divisors is an integer number (471301740).

Almost surely, 223140054305 is an apocalyptic number.

It is an amenable number.

23140054305 is a deficient number, since it is larger than the sum of its proper divisors (22104912735).

23140054305 is a wasteful number, since it uses less digits than its factorization.

23140054305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19311 (or 19308 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 23140054305 its reverse (50345004132), we get a palindrome (73485058437).

The spelling of 23140054305 in words is "twenty-three billion, one hundred forty million, fifty-four thousand, three hundred five".

Divisors: 1 3 5 9 15 17 19 45 51 57 83 85 95 153 171 249 255 285 323 415 747 765 855 969 1245 1411 1577 1615 2907 3735 4233 4731 4845 7055 7885 12699 14193 14535 19181 21165 23655 26809 57543 63495 70965 80427 95905 134045 172629 241281 287715 326077 364439 402135 863145 978231 1093317 1206405 1592023 1630385 1822195 2934693 3279951 4776069 4891155 5466585 6195463 7960115 14328207 14673465 16399755 18586389 23880345 27064391 30248437 30977315 55759167 71641035 81193173 90745311 92931945 135321955 151242185 243579519 272235933 278795835 405965865 453726555 514223429 1217897595 1361179665 1542670287 2571117145 4628010861 7713351435 23140054305