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61010110550011 = 7217535387131849
BaseRepresentation
bin11011101111101000001011…
…11101111000111111111011
322000000111202111121002200111
431313310011331320333323
530444042201300100021
6333431354033045151
715564556262101600
oct1567640575707773
9260014674532614
1061010110550011
1118492273969957
126a142026b67b7
1328072c86cccac
14110cc9587c6a7
1570c02dc628e1
hex377d05f78ffb

61010110550011 has 24 divisors (see below), whose sum is σ = 71025151028400. Its totient is φ = 52254450807552.

The previous prime is 61010110549957. The next prime is 61010110550063. The reversal of 61010110550011 is 11005501101016.

It is not a de Polignac number, because 61010110550011 - 233 = 61001520615419 is a prime.

It is a super-4 number, since 4×610101105500114 (a number of 56 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61010110550611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 462661215 + ... + 462793063.

It is an arithmetic number, because the mean of its divisors is an integer number (2959381292850).

Almost surely, 261010110550011 is an apocalyptic number.

61010110550011 is a deficient number, since it is larger than the sum of its proper divisors (10015040478389).

61010110550011 is a wasteful number, since it uses less digits than its factorization.

61010110550011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139003 (or 138996 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 22.

Adding to 61010110550011 its reverse (11005501101016), we get a palindrome (72015611651027).

The spelling of 61010110550011 in words is "sixty-one trillion, ten billion, one hundred ten million, five hundred fifty thousand, eleven".

Divisors: 1 7 49 1753 5387 12271 37709 85897 131849 263963 922943 6460601 9443411 66103877 231131297 462727139 710270563 1617919079 4971893941 11325433553 34803257587 1245104296939 8715730078573 61010110550011