Search a number
-
+
14930105712 = 243311043869
BaseRepresentation
bin11011110011110011…
…10101010101110000
31102112111121221202020
431321321311111300
5221034101340322
610505255551440
71035660542664
oct157171652560
942474557666
1014930105712
116371723445
122a8808b580
13153c2166a2
14a18c2c8a4
155c5b0a05c
hex379e75570

14930105712 has 20 divisors (see below), whose sum is σ = 38569439880. Its totient is φ = 4976701888.

The previous prime is 14930105683. The next prime is 14930105791. The reversal of 14930105712 is 21750103941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155521887 + ... + 155521982.

It is an arithmetic number, because the mean of its divisors is an integer number (1928471994).

Almost surely, 214930105712 is an apocalyptic number.

14930105712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14930105712 is an abundant number, since it is smaller than the sum of its proper divisors (23639334168).

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

14930105712 is a wasteful number, since it uses less digits than its factorization.

14930105712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311043880 (or 311043874 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 14930105712 in words is "fourteen billion, nine hundred thirty million, one hundred five thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 311043869 622087738 933131607 1244175476 1866263214 2488350952 3732526428 4976701904 7465052856 14930105712