Search a number
-
+
505025280053 = 7157827555661
BaseRepresentation
bin1110101100101011101…
…10100011100000110101
31210021120002011101111222
413112111312203200311
531233242432430203
61024001100240125
751325666023530
oct7262566434065
91707502141458
10505025280053
111851a8671808
1281a63b40045
13388152bb178
141a62c7c5a17
15d20bdd0038
hex7595da3835

505025280053 has 16 divisors (see below), whose sum is σ = 581551403904. Its totient is φ = 429600749760.

The previous prime is 505025280029. The next prime is 505025280059. The reversal of 505025280053 is 350082520505.

It is not a de Polignac number, because 505025280053 - 28 = 505025279797 is a prime.

It is a super-2 number, since 2×5050252800532 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505025279995 and 505025280022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505025280059) 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, 631043 + ... + 1186703.

It is an arithmetic number, because the mean of its divisors is an integer number (36346962744).

Almost surely, 2505025280053 is an apocalyptic number.

It is an amenable number.

505025280053 is a deficient number, since it is larger than the sum of its proper divisors (76526123851).

505025280053 is a wasteful number, since it uses less digits than its factorization.

505025280053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556652.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 505025280053 in words is "five hundred five billion, twenty-five million, two hundred eighty thousand, fifty-three".

Divisors: 1 7 157 827 1099 5789 129839 555661 908873 3889627 87238777 459531647 610671439 3216721529 72146468579 505025280053