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61005110506010 = 251119103032833063
BaseRepresentation
bin11011101111011110110111…
…11100001111001000011010
322000000000212001010112202122
431313233123330033020122
530444001431242143020
6333425205540501242
715564321336322046
oct1567573374171032
9260000761115678
1061005110506010
1118490138531890
126a132480aa822
1328069ac857388
14110c93d7a9026
1570bd39ced125
hex377bdbf0f21a

61005110506010 has 64 divisors (see below), whose sum is σ = 126108971089920. Its totient is φ = 21014067401280.

The previous prime is 61005110505929. The next prime is 61005110506033. The reversal of 61005110506010 is 1060501150016.

It is a super-2 number, since 2×610051105060102 (a number of 28 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 20116739 + ... + 22949801.

It is an arithmetic number, because the mean of its divisors is an integer number (1970452673280).

Almost surely, 261005110506010 is an apocalyptic number.

61005110506010 is an abundant number, since it is smaller than the sum of its proper divisors (65103860583910).

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

61005110506010 is a wasteful number, since it uses less digits than its factorization.

61005110506010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843403.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 61005110506010 its reverse (1060501150016), we get a palindrome (62065611656026).

The spelling of 61005110506010 in words is "sixty-one trillion, five billion, one hundred ten million, five hundred six thousand, ten".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 190 209 418 1045 2090 10303 20606 51515 103030 113333 195757 226666 391514 566665 978785 1133330 1957570 2153327 2833063 4306654 5666126 10766635 14165315 21533270 28330630 31163693 53828197 62327386 107656394 155818465 269140985 311636930 538281970 592110167 1184220334 2960550835 5921101670 29189048089 58378096178 145945240445 291890480890 321079528979 554591913691 642159057958 1109183827382 1605397644895 2772959568455 3210795289790 5545919136910 6100511050601 12201022101202 30502555253005 61005110506010