Search a number
-
+
14355415220 = 225873782153
BaseRepresentation
bin11010101111010011…
…00100000010110100
31101001110020122121012
431113221210002310
5213344441241340
610332250211352
71015512005336
oct152751440264
941043218535
1014355415220
1160a7291a23
122947723b58
13147a13cb43
149a2793456
1559043b565
hex357a640b4

14355415220 has 24 divisors (see below), whose sum is σ = 30150189384. Its totient is φ = 5741438976.

The previous prime is 14355415199. The next prime is 14355415229. The reversal of 14355415220 is 2251455341.

It can be written as a sum of positive squares in 4 ways, for example, as 126742564 + 14228672656 = 11258^2 + 119284^2 .

It is a super-2 number, since 2×143554152202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14355415229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133664 + ... + 215816.

It is an arithmetic number, because the mean of its divisors is an integer number (1256257891).

Almost surely, 214355415220 is an apocalyptic number.

14355415220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14355415220 is an abundant number, since it is smaller than the sum of its proper divisors (15794774164).

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

14355415220 is a wasteful number, since it uses less digits than its factorization.

14355415220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90899 (or 90897 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 14355415220 in words is "fourteen billion, three hundred fifty-five million, four hundred fifteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 8737 17474 34948 43685 82153 87370 164306 174740 328612 410765 821530 1643060 717770761 1435541522 2871083044 3588853805 7177707610 14355415220