Search a number
-
+
85753968730 = 2553161799941
BaseRepresentation
bin100111111011101010…
…1011011100001011010
322012100100012222012221
41033313111123201122
52401111003444410
6103221141054254
76124030464433
oct1176725334132
9265310188187
1085753968730
1133405974a41
12147529b738a
13811824a741
14421702248a
15236d7084da
hex13f755b85a

85753968730 has 16 divisors (see below), whose sum is σ = 157269543624. Its totient is φ = 33654387520.

The previous prime is 85753968653. The next prime is 85753968731. The reversal of 85753968730 is 3786935758.

It can be written as a sum of positive squares in 4 ways, for example, as 81557649889 + 4196318841 = 285583^2 + 64779^2 .

It is not an unprimeable number, because it can be changed into a prime (85753968731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80899441 + ... + 80900500.

Almost surely, 285753968730 is an apocalyptic number.

85753968730 is a deficient number, since it is larger than the sum of its proper divisors (71515574894).

85753968730 is a wasteful number, since it uses less digits than its factorization.

85753968730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161800001.

The product of its (nonzero) digits is 38102400, while the sum is 61.

The spelling of 85753968730 in words is "eighty-five billion, seven hundred fifty-three million, nine hundred sixty-eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 161799941 323599882 808999705 1617999410 8575396873 17150793746 42876984365 85753968730