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2123052011040 = 253517982130097
BaseRepresentation
bin11110111001001111110…
…000101100111000100000
321111221222010220200112110
4132321033300230320200
5234241002303323130
64303152220355320
7306246131224602
oct36711760547040
97457863820473
102123052011040
1174942156aa84
122a35659a5b40
13125283b4381c
1474a8329b172
153a35ad9cab0
hex1ee4fc2ce20

2123052011040 has 192 divisors, whose sum is σ = 6733389720960. Its totient is φ = 562279956480.

The previous prime is 2123052011039. The next prime is 2123052011057. The reversal of 2123052011040 is 401102503212.

It is a junction number, because it is equal to n+sod(n) for n = 2123052010998 and 2123052011016.

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, 70525272 + ... + 70555368.

It is an arithmetic number, because the mean of its divisors is an integer number (35069738130).

Almost surely, 22123052011040 is an apocalyptic number.

2123052011040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123052011040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3366694860480).

2123052011040 is an abundant number, since it is smaller than the sum of its proper divisors (4610337709920).

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

2123052011040 is a wasteful number, since it uses less digits than its factorization.

2123052011040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31115 (or 31107 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 2123052011040 its reverse (401102503212), we get a palindrome (2524154514252).

The spelling of 2123052011040 in words is "two trillion, one hundred twenty-three billion, fifty-two million, eleven thousand, forty".