Search a number
-
+
13887959180 = 2251936547261
BaseRepresentation
bin11001110111100100…
…10111000010001100
31022211212122102110112
430323302113002030
5211420304143210
610214031055152
71001104463624
oct147362270214
938755572415
1013887959180
115987433317
1228370714b8
131404340934
1495a66d884
155643a0d05
hex33bc9708c

13887959180 has 24 divisors (see below), whose sum is σ = 30699700080. Its totient is φ = 5262805440.

The previous prime is 13887959131. The next prime is 13887959219. The reversal of 13887959180 is 8195978831.

13887959180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18273251 + ... + 18274010.

It is an arithmetic number, because the mean of its divisors is an integer number (1279154170).

Almost surely, 213887959180 is an apocalyptic number.

13887959180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13887959180 is an abundant number, since it is smaller than the sum of its proper divisors (16811740900).

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

13887959180 is a wasteful number, since it uses less digits than its factorization.

13887959180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36547289 (or 36547287 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 59.

The spelling of 13887959180 in words is "thirteen billion, eight hundred eighty-seven million, nine hundred fifty-nine thousand, one hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 36547261 73094522 146189044 182736305 365472610 694397959 730945220 1388795918 2777591836 3471989795 6943979590 13887959180