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61060010550 = 235271141128941
BaseRepresentation
bin111000110111011101…
…011101001000110110
312211121101011220212020
4320313131131020312
52000022330314200
644014531534010
74261060345320
oct706735351066
9184541156766
1061060010550
1123993869740
12ba00a5a306
1359b1249076
142d53582610
1518c5839ea0
hexe3775d236

61060010550 has 192 divisors, whose sum is σ = 193400621568. Its totient is φ = 12378240000.

The previous prime is 61060010537. The next prime is 61060010551. The reversal of 61060010550 is 5501006016.

It is a super-2 number, since 2×610600105502 (a number of 22 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 61060010550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61060010551) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 409080 + ... + 538020.

It is an arithmetic number, because the mean of its divisors is an integer number (1007294904).

Almost surely, 261060010550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61060010550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96700310784).

61060010550 is an abundant number, since it is smaller than the sum of its proper divisors (132340611018).

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

61060010550 is a wasteful number, since it uses less digits than its factorization.

61060010550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129015 (or 129010 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 61060010550 its reverse (5501006016), we get a palindrome (66561016566).

The spelling of 61060010550 in words is "sixty-one billion, sixty million, ten thousand, five hundred fifty".