Search a number
-
+
388282720342 = 211211931344907
BaseRepresentation
bin1011010011001110111…
…01000010000001010110
31101010020002102220001011
411221213131002001112
522330200334022332
6454212530122434
740024002444556
oct5514735020126
91333202386034
10388282720342
1113a740522800
126330312041a
132a7cbc3447a
1414b15d3b166
15a177dc1e47
hex5a67742056

388282720342 has 24 divisors (see below), whose sum is σ = 640722240648. Its totient is φ = 176344074720.

The previous prime is 388282720337. The next prime is 388282720381. The reversal of 388282720342 is 243027282883.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383748 + ... + 961159.

It is an arithmetic number, because the mean of its divisors is an integer number (26696760027).

Almost surely, 2388282720342 is an apocalyptic number.

388282720342 is a deficient number, since it is larger than the sum of its proper divisors (252439520306).

388282720342 is a wasteful number, since it uses less digits than its factorization.

388282720342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346124 (or 1346113 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 388282720342 in words is "three hundred eighty-eight billion, two hundred eighty-two million, seven hundred twenty thousand, three hundred forty-two".

Divisors: 1 2 11 22 121 242 1193 2386 13123 26246 144353 288706 1344907 2689814 14793977 29587954 162733747 325467494 1604474051 3208948102 17649214561 35298429122 194141360171 388282720342