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61050610510550 = 2528211487225591
BaseRepresentation
bin11011110000110011100111…
…11100111110101011010110
322000011101022000102021002222
431320121303330332223112
531000223122242314200
6333502132511502342
715600522020063363
oct1570316374765326
9260141260367088
1061050610510550
11184a8467057721
126a20025b279b2
13280b08122269b
141110c185d146a
1570d0ee5a5d85
hex378673f3ead6

61050610510550 has 24 divisors (see below), whose sum is σ = 113692447606032. Its totient is φ = 24390499676000.

The previous prime is 61050610510523. The next prime is 61050610510579. The reversal of 61050610510550 is 5501501605016.

It is a super-2 number, since 2×610506105105502 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61050610510550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 743571746 + ... + 743653845.

It is an arithmetic number, because the mean of its divisors is an integer number (4737185316918).

Almost surely, 261050610510550 is an apocalyptic number.

61050610510550 is a deficient number, since it is larger than the sum of its proper divisors (52641837095482).

61050610510550 is a wasteful number, since it uses less digits than its factorization.

61050610510550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487226424 (or 1487226419 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 61050610510550 in words is "sixty-one trillion, fifty billion, six hundred ten million, five hundred ten thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 821 1642 4105 8210 20525 41050 1487225591 2974451182 7436127955 14872255910 37180639775 74361279550 1221012210211 2442024420422 6105061051055 12210122102110 30525305255275 61050610510550