Search a number
-
+
14886268840 = 23523131123517
BaseRepresentation
bin11011101110100101…
…00110111110101000
31102102110010210212101
431313102212332220
5220441341100330
610501052223144
71034616124462
oct156722467650
942373123771
1014886268840
116349a02123
122a7546aab4
131533108601
14a1309b132
155c1d4b4ca
hex3774a6fa8

14886268840 has 64 divisors (see below), whose sum is σ = 35217452160. Its totient is φ = 5652092160.

The previous prime is 14886268823. The next prime is 14886268847. The reversal of 14886268840 is 4886268841.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (14886268847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58762 + ... + 182278.

It is an arithmetic number, because the mean of its divisors is an integer number (550272690).

Almost surely, 214886268840 is an apocalyptic number.

14886268840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14886268840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17608726080).

14886268840 is an abundant number, since it is smaller than the sum of its proper divisors (20331183320).

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

14886268840 is a wasteful number, since it uses less digits than its factorization.

14886268840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123682 (or 123678 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 55.

Subtracting from 14886268840 its reverse (4886268841), we obtain a palindrome (9999999999).

The spelling of 14886268840 in words is "fourteen billion, eight hundred eighty-six million, two hundred sixty-eight thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 131 184 230 262 460 524 655 920 1048 1310 2620 3013 5240 6026 12052 15065 24104 30130 60260 120520 123517 247034 494068 617585 988136 1235170 2470340 2840891 4940680 5681782 11363564 14204455 16180727 22727128 28408910 32361454 56817820 64722908 80903635 113635640 129445816 161807270 323614540 372156721 647229080 744313442 1488626884 1860783605 2977253768 3721567210 7443134420 14886268840