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85628924049 = 379617585581
BaseRepresentation
bin100111110111111100…
…0011011000010010001
322012000121221001011110
41033233320123002101
52400332001032144
6103200513003533
76120651562614
oct1175770330221
9265017831143
1085628924049
1133351328029
1214718b535a9
1380c83785c6
14420459217b
1523627580b9
hex13efe1b091

85628924049 has 16 divisors (see below), whose sum is σ = 115804696320. Its totient is φ = 56271895680.

The previous prime is 85628924039. The next prime is 85628924093. The reversal of 85628924049 is 94042982658.

It is a happy number.

It is not a de Polignac number, because 85628924049 - 213 = 85628915857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85628924049.

It is not an unprimeable number, because it can be changed into a prime (85628924009) 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, 146562 + ... + 439019.

It is an arithmetic number, because the mean of its divisors is an integer number (7237793520).

Almost surely, 285628924049 is an apocalyptic number.

It is an amenable number.

85628924049 is a deficient number, since it is larger than the sum of its proper divisors (30175772271).

85628924049 is a wasteful number, since it uses less digits than its factorization.

85628924049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586280.

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 85628924049 in words is "eighty-five billion, six hundred twenty-eight million, nine hundred twenty-four thousand, forty-nine".

Divisors: 1 3 79 237 617 1851 48743 146229 585581 1756743 46260899 138782697 361303477 1083910431 28542974683 85628924049