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123433035054 = 23723208361343
BaseRepresentation
bin111001011110100101…
…1101010010100101110
3102210121021000212020220
41302331023222110232
54010242324110204
6132412050152210
711626533325650
oct1627513522456
9383537025226
10123433035054
114839080417a
121bb09582666
13b841508764
145d8d2726d0
1533265861d9
hex1cbd2ea52e

123433035054 has 64 divisors (see below), whose sum is σ = 294545424384. Its totient is φ = 33716507616.

The previous prime is 123433035049. The next prime is 123433035091. The reversal of 123433035054 is 450530334321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1981507 + ... + 2042849.

It is an arithmetic number, because the mean of its divisors is an integer number (4602272256).

Almost surely, 2123433035054 is an apocalyptic number.

123433035054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123433035054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147272712192).

123433035054 is an abundant number, since it is smaller than the sum of its proper divisors (171112389330).

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

123433035054 is a wasteful number, since it uses less digits than its factorization.

123433035054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63461.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 123433035054 its reverse (450530334321), we get a palindrome (573963369375).

The spelling of 123433035054 in words is "one hundred twenty-three billion, four hundred thirty-three million, thirty-five thousand, fifty-four".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 2083 4166 6249 12498 14581 29162 43743 47909 61343 87486 95818 122686 143727 184029 287454 335363 368058 429401 670726 858802 1006089 1288203 1410889 2012178 2576406 2821778 4232667 8465334 9876223 19752446 29628669 59257338 127777469 255554938 383332407 766664814 894442283 1788884566 2683326849 2938881787 5366653698 5877763574 8816645361 17633290722 20572172509 41144345018 61716517527 123433035054