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61050100086 = 23317128951593
BaseRepresentation
bin111000110110110111…
…101001100101110110
312211120200112102021000
4320312313221211312
52000012311200321
644013535304130
74260610200663
oct706667514566
9184520472230
1061050100086
112398920a878
12b9b967b046
1359ac1891a1
142d52122a6a
1518c4a2d826
hexe36de9976

61050100086 has 64 divisors (see below), whose sum is σ = 143761521600. Its totient is φ = 19137742848.

The previous prime is 61050100073. The next prime is 61050100087. The reversal of 61050100086 is 68000105016.

It is a super-2 number, since 2×610501000862 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61050100087) 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, 1157506 + ... + 1209098.

It is an arithmetic number, because the mean of its divisors is an integer number (2246273775).

Almost surely, 261050100086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61050100086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71880760800).

61050100086 is an abundant number, since it is smaller than the sum of its proper divisors (82711421514).

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

61050100086 is a wasteful number, since it uses less digits than its factorization.

61050100086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52910 (or 52904 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 61050100086 in words is "sixty-one billion, fifty million, one hundred thousand, eighty-six".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 102 153 306 459 918 1289 2578 3867 7734 11601 21913 23202 34803 43826 51593 65739 69606 103186 131478 154779 197217 309558 394434 464337 591651 877081 928674 1183302 1393011 1754162 2631243 2786022 5262486 7893729 15787458 23681187 47362374 66503377 133006754 199510131 399020262 598530393 1130557409 1197060786 1795591179 2261114818 3391672227 3591182358 6783344454 10175016681 20350033362 30525050043 61050100086