Search a number
-
+
153811485569 = 741981164663
BaseRepresentation
bin1000111100111111100…
…0010000001110000001
3112201000101110001010202
42033033320100032001
510010001220014234
6154354321534545
714053410025040
oct2171770201601
9481011401122
10153811485569
115a25a634725
12259871a4455
1311673108671
147631a72557
15400351877e
hex23cfe10381

153811485569 has 16 divisors (see below), whose sum is σ = 176424084480. Its totient is φ = 131359559760.

The previous prime is 153811485563. The next prime is 153811485589. The reversal of 153811485569 is 965584118351.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-153811485569 is a prime.

It is a super-2 number, since 2×1538114855692 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (153811485563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2346332 + ... + 2410994.

It is an arithmetic number, because the mean of its divisors is an integer number (11026505280).

Almost surely, 2153811485569 is an apocalyptic number.

It is an amenable number.

153811485569 is a deficient number, since it is larger than the sum of its proper divisors (22612598911).

153811485569 is an equidigital number, since it uses as much as digits as its factorization.

153811485569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65900.

The product of its digits is 5184000, while the sum is 56.

The spelling of 153811485569 in words is "one hundred fifty-three billion, eight hundred eleven million, four hundred eighty-five thousand, five hundred sixty-nine".

Divisors: 1 7 419 811 2933 5677 64663 339809 452641 2378663 27093797 52441693 189656579 367091851 21973069367 153811485569