Search a number
-
+
14750308638 = 23213174778893
BaseRepresentation
bin11011011110010111…
…11101100100011110
31102001222022022112100
431233023331210132
5220202034334023
610435354145530
71031345361162
oct155713754436
942058268470
1014750308638
11628a18a21a
122a37a222a6
131510bb3ca0
149dcdc8ca2
155b4e41c43
hex36f2fd91e

14750308638 has 96 divisors (see below), whose sum is σ = 37217771136. Its totient is φ = 4180644864.

The previous prime is 14750308637. The next prime is 14750308669. The reversal of 14750308638 is 83680305741.

14750308638 is a `hidden beast` number, since 1 + 4 + 7 + 5 + 0 + 3 + 0 + 8 + 638 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 14750308593 and 14750308602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14750308631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147520 + ... + 226412.

It is an arithmetic number, because the mean of its divisors is an integer number (387685116).

Almost surely, 214750308638 is an apocalyptic number.

14750308638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14750308638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18608885568).

14750308638 is an abundant number, since it is smaller than the sum of its proper divisors (22467462498).

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

14750308638 is a wasteful number, since it uses less digits than its factorization.

14750308638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78978 (or 78975 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 14750308638 in words is "fourteen billion, seven hundred fifty million, three hundred eight thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 9 13 17 18 26 34 39 47 51 78 94 102 117 141 153 221 234 282 306 423 442 611 663 799 846 1222 1326 1598 1833 1989 2397 3666 3978 4794 5499 7191 10387 10998 14382 20774 31161 62322 78893 93483 157786 186966 236679 473358 710037 1025609 1341181 1420074 2051218 2682362 3076827 3707971 4023543 6153654 7415942 8047086 9230481 11123913 12070629 17435353 18460962 22247826 24141258 33371739 34870706 48203623 52306059 63035507 66743478 96407246 104612118 126071014 144610869 156918177 189106521 289221738 313836354 378213042 433832607 567319563 819461591 867665214 1134639126 1638923182 2458384773 4916769546 7375154319 14750308638