Search a number
-
+
285864160706 = 2142932080353
BaseRepresentation
bin1000010100011101101…
…01001110110111000010
31000022212100211222200122
410022032311032313002
514140422211120311
6335154005020242
726436660163025
oct4121665166702
91008770758618
10285864160706
11100263958a93
124749b3b4682
1320c5933b467
14db9b9c91bc
1576816970db
hex428ed4edc2

285864160706 has 4 divisors (see below), whose sum is σ = 428796241062. Its totient is φ = 142932080352.

The previous prime is 285864160669. The next prime is 285864160727. The reversal of 285864160706 is 607061468582.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 607061468582 = 2303530734291.

It can be written as a sum of positive squares in only one way, i.e., 277264380481 + 8599780225 = 526559^2 + 92735^2 .

It is a super-2 number, since 2×2858641607062 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71466040175 + ... + 71466040178.

Almost surely, 2285864160706 is an apocalyptic number.

285864160706 is a deficient number, since it is larger than the sum of its proper divisors (142932080356).

285864160706 is a wasteful number, since it uses less digits than its factorization.

285864160706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142932080355.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 285864160706 in words is "two hundred eighty-five billion, eight hundred sixty-four million, one hundred sixty thousand, seven hundred six".

Divisors: 1 2 142932080353 285864160706