Search a number
-
+
389492988676 = 22118852113379
BaseRepresentation
bin1011010101011111001…
…01110101101100000100
31101020100102202220002021
411222233211311230010
522340140201114201
6454533002252524
740065666530641
oct5525745655404
91336312686067
10389492988676
11140201702270
12635a04b7144
132a9628b268c
1414bcc980dc8
15a1e9289ea1
hex5aaf975b04

389492988676 has 12 divisors (see below), whose sum is σ = 743577523920. Its totient is φ = 177042267560.

The previous prime is 389492988671. The next prime is 389492988757. The reversal of 389492988676 is 676889294983.

It is a junction number, because it is equal to n+sod(n) for n = 389492988596 and 389492988605.

It is not an unprimeable number, because it can be changed into a prime (389492988671) 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, 4426056646 + ... + 4426056733.

It is an arithmetic number, because the mean of its divisors is an integer number (61964793660).

Almost surely, 2389492988676 is an apocalyptic number.

It is an amenable number.

389492988676 is a deficient number, since it is larger than the sum of its proper divisors (354084535244).

389492988676 is a wasteful number, since it uses less digits than its factorization.

389492988676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8852113394 (or 8852113392 counting only the distinct ones).

The product of its digits is 2257403904, while the sum is 79.

The spelling of 389492988676 in words is "three hundred eighty-nine billion, four hundred ninety-two million, nine hundred eighty-eight thousand, six hundred seventy-six".

Divisors: 1 2 4 11 22 44 8852113379 17704226758 35408453516 97373247169 194746494338 389492988676