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387650016379 = 1920402632441
BaseRepresentation
bin1011010010000011011…
…11011101010001111011
31101001120222220012101001
411221001233131101323
522322401401011004
6454030045105431
740002220525603
oct5510157352173
91331528805331
10387650016379
1113a44636796a
1263167258277
132a72ab27c22
1414a95cbdc03
15a13c5941a4
hex5a41bdd47b

387650016379 has 4 divisors (see below), whose sum is σ = 408052648840. Its totient is φ = 367247383920.

The previous prime is 387650016373. The next prime is 387650016401. The reversal of 387650016379 is 973610056783.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 387650016379 - 211 = 387650014331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387650016373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10201316202 + ... + 10201316239.

It is an arithmetic number, because the mean of its divisors is an integer number (102013162210).

Almost surely, 2387650016379 is an apocalyptic number.

387650016379 is a deficient number, since it is larger than the sum of its proper divisors (20402632461).

387650016379 is a wasteful number, since it uses less digits than its factorization.

387650016379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20402632460.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 387650016379 in words is "three hundred eighty-seven billion, six hundred fifty million, sixteen thousand, three hundred seventy-nine".

Divisors: 1 19 20402632441 387650016379