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23843429709 = 311787918079
BaseRepresentation
bin10110001101001011…
…011101110101001101
32021112200121201122020
4112031023131311031
5342312404222314
614541543240353
71502601544221
oct261513356515
967480551566
1023843429709
11a125aa3710
1247551490b9
13232ca399b8
141222920781
159483b4da9
hex58d2ddd4d

23843429709 has 16 divisors (see below), whose sum is σ = 34725457920. Its totient is φ = 14432186160.

The previous prime is 23843429657. The next prime is 23843429719. The reversal of 23843429709 is 90792434832.

It is not a de Polignac number, because 23843429709 - 27 = 23843429581 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23843429719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433069 + ... + 485010.

It is an arithmetic number, because the mean of its divisors is an integer number (2170341120).

Almost surely, 223843429709 is an apocalyptic number.

It is an amenable number.

23843429709 is a deficient number, since it is larger than the sum of its proper divisors (10882028211).

23843429709 is a wasteful number, since it uses less digits than its factorization.

23843429709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918880.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 23843429709 in words is "twenty-three billion, eight hundred forty-three million, four hundred twenty-nine thousand, seven hundred nine".

Divisors: 1 3 11 33 787 2361 8657 25971 918079 2754237 10098869 30296607 722528173 2167584519 7947809903 23843429709