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394087080149 = 7193067796589
BaseRepresentation
bin1011011110000010110…
…10111010000011010101
31101200012121100220211022
411233001122322003111
522424042243031044
6501012513450525
740320562624430
oct5570132720325
91350177326738
10394087080149
11142149979184
1264462b70a45
132b2156114b9
1415106b80817
15a3b77623ee
hex5bc16ba0d5

394087080149 has 16 divisors (see below), whose sum is σ = 474110083200. Its totient is φ = 319996816704.

The previous prime is 394087080143. The next prime is 394087080193. The reversal of 394087080149 is 941080780493.

It is a cyclic number.

It is not a de Polignac number, because 394087080149 - 224 = 394070302933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 394087080149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394087080143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4031747 + ... + 4128335.

It is an arithmetic number, because the mean of its divisors is an integer number (29631880200).

Almost surely, 2394087080149 is an apocalyptic number.

It is an amenable number.

394087080149 is a deficient number, since it is larger than the sum of its proper divisors (80023003051).

394087080149 is a wasteful number, since it uses less digits than its factorization.

394087080149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127292.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 394087080149 in words is "three hundred ninety-four billion, eighty-seven million, eighty thousand, one hundred forty-nine".

Divisors: 1 7 19 133 30677 96589 214739 582863 676123 1835191 4080041 12846337 2963060753 20741425271 56298154307 394087080149