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505244061245 = 571113110017727
BaseRepresentation
bin1110101101000101110…
…01001000111000111101
31210022010022211121220002
413112202321020320331
531234214434424440
61024034513404045
751334263442550
oct7264271107075
91708108747802
10505244061245
11185300112310
1281b05269625
133884b71cbb1
141a64d896697
15d2211e9115
hex75a2e48e3d

505244061245 has 32 divisors (see below), whose sum is σ = 761667895296. Its totient is φ = 312553051200.

The previous prime is 505244061211. The next prime is 505244061247. The reversal of 505244061245 is 542160442505.

It is not a de Polignac number, because 505244061245 - 216 = 505243995709 is a prime.

It is a super-2 number, since 2×5052440612452 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505244061199 and 505244061208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505244061247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4958429 + ... + 5059298.

It is an arithmetic number, because the mean of its divisors is an integer number (23802121728).

Almost surely, 2505244061245 is an apocalyptic number.

505244061245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505244061245 is a deficient number, since it is larger than the sum of its proper divisors (256423834051).

505244061245 is a wasteful number, since it uses less digits than its factorization.

505244061245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017881.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 505244061245 in words is "five hundred five billion, two hundred forty-four million, sixty-one thousand, two hundred forty-five".

Divisors: 1 5 7 11 35 55 77 131 385 655 917 1441 4585 7205 10087 50435 10017727 50088635 70124089 110194997 350620445 550974985 771364979 1312322237 3856824895 6561611185 9186255659 14435544607 45931278295 72177723035 101048812249 505244061245