Search a number
-
+
13931459180 = 2251751939761
BaseRepresentation
bin11001111100110000…
…10011001001101100
31022221220111110020122
430332120103021230
5212012423143210
610222223304112
71002143310032
oct147630231154
938856443218
1013931459180
1159a9a44531
12284974b038
131410361592
14962354552
155680e4b55
hex33e61326c

13931459180 has 24 divisors (see below), whose sum is σ = 29258470080. Its totient is φ = 5572125440.

The previous prime is 13931459177. The next prime is 13931459219. The reversal of 13931459180 is 8195413931.

13931459180 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, 330500 + ... + 370260.

It is an arithmetic number, because the mean of its divisors is an integer number (1219102920).

Almost surely, 213931459180 is an apocalyptic number.

13931459180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13931459180 is an abundant number, since it is smaller than the sum of its proper divisors (15327010900).

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

13931459180 is a wasteful number, since it uses less digits than its factorization.

13931459180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57289 (or 57287 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 13931459180 in words is "thirteen billion, nine hundred thirty-one million, four hundred fifty-nine thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 17519 35038 39761 70076 79522 87595 159044 175190 198805 350380 397610 795220 696572959 1393145918 2786291836 3482864795 6965729590 13931459180