Search a number
-
+
20410144135 = 5101271293509
BaseRepresentation
bin10011000000100010…
…100001010110000111
31221200102021202020021
4103000202201112013
5313244444103020
613213140120011
71321532235253
oct230042412607
957612252207
1020410144135
118723aa3417
123b57396007
131c0365b584
14db896b263
157e6c851aa
hex4c08a1587

20410144135 has 32 divisors (see below), whose sum is σ = 24959612160. Its totient is φ = 16020288000.

The previous prime is 20410144057. The next prime is 20410144141. The reversal of 20410144135 is 53144101402.

It is not a de Polignac number, because 20410144135 - 29 = 20410143623 is a prime.

It is a super-2 number, since 2×204101441352 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40098261 + ... + 40098769.

It is an arithmetic number, because the mean of its divisors is an integer number (779987880).

Almost surely, 220410144135 is an apocalyptic number.

20410144135 is a deficient number, since it is larger than the sum of its proper divisors (4549468025).

20410144135 is a wasteful number, since it uses less digits than its factorization.

20410144135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 20410144135 its reverse (53144101402), we get a palindrome (73554245537).

The spelling of 20410144135 in words is "twenty billion, four hundred ten million, one hundred forty-four thousand, one hundred thirty-five".

Divisors: 1 5 101 271 293 505 509 1355 1465 2545 27371 29593 51409 79403 136855 137939 147965 149137 257045 397015 689695 745685 8019703 13931839 15062837 40098515 40416127 69659195 75314185 202080635 4082028827 20410144135