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505252505080 = 235151367122787
BaseRepresentation
bin1110101101000110110…
…01010110010111111000
31210022010220201121122201
413112203121112113320
531234224120130310
61024035414355544
751334425301261
oct7264331262770
91708126647581
10505252505080
1118530495a294
1281b0805bbb4
13388503b834b
141a650a53968
15d221d15e3a
hex75a36565f8

505252505080 has 64 divisors (see below), whose sum is σ = 1144708692480. Its totient is φ = 200699088000.

The previous prime is 505252505039. The next prime is 505252505099. The reversal of 505252505080 is 80505252505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22161447 + ... + 22184233.

It is an arithmetic number, because the mean of its divisors is an integer number (17886073320).

Almost surely, 2505252505080 is an apocalyptic number.

It is an amenable number.

505252505080 is an abundant number, since it is smaller than the sum of its proper divisors (639456187400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505252505080 is a wasteful number, since it uses less digits than its factorization.

505252505080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26620 (or 26616 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 37.

Adding to 505252505080 its reverse (80505252505), we get a palindrome (585757757585).

The spelling of 505252505080 in words is "five hundred five billion, two hundred fifty-two million, five hundred five thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 151 302 604 755 1208 1510 3020 3671 6040 7342 14684 18355 22787 29368 36710 45574 73420 91148 113935 146840 182296 227870 455740 554321 911480 1108642 2217284 2771605 3440837 4434568 5543210 6881674 11086420 13763348 17204185 22172840 27526696 34408370 68816740 83651077 137633480 167302154 334604308 418255385 669208616 836510770 1673021540 3346043080 12631312627 25262625254 50525250508 63156563135 101050501016 126313126270 252626252540 505252505080