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23040120005 = 571943180387
BaseRepresentation
bin10101011101010011…
…000101010011000101
32012110201001100212222
4111131103011103011
5334141232320010
614330125422125
71443645534350
oct253523052305
965421040788
1023040120005
1198536021a1
12457010a945
132232498506
141187d73297
158ecad7355
hex55d4c54c5

23040120005 has 32 divisors (see below), whose sum is σ = 33338511360. Its totient is φ = 14932503360.

The previous prime is 23040119983. The next prime is 23040120007. The reversal of 23040120005 is 50002104032.

It is not a de Polignac number, because 23040120005 - 216 = 23040054469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040120007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246422 + ... + 326808.

It is an arithmetic number, because the mean of its divisors is an integer number (1041828480).

Almost surely, 223040120005 is an apocalyptic number.

It is an amenable number.

23040120005 is a deficient number, since it is larger than the sum of its proper divisors (10298391355).

23040120005 is a wasteful number, since it uses less digits than its factorization.

23040120005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80849.

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 23040120005 its reverse (50002104032), we get a palindrome (73042224037).

The spelling of 23040120005 in words is "twenty-three billion, forty million, one hundred twenty thousand, five".

Divisors: 1 5 7 19 35 95 133 431 665 2155 3017 8189 15085 40945 57323 80387 286615 401935 562709 1527353 2813545 7636765 10691471 34646797 53457355 173233985 242527579 658289143 1212637895 3291445715 4608024001 23040120005