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23909400441 = 326739650747
BaseRepresentation
bin10110010001000111…
…000111111101111001
32021201021202101110200
4112101013013331321
5342431301303231
614552301232413
71504332356553
oct262107077571
967637671420
1023909400441
11a15a262483
124773262709
1323405c7534
14122b5b44d3
1594e096be6
hex5911c7f79

23909400441 has 12 divisors (see below), whose sum is σ = 35051261232. Its totient is φ = 15701695416.

The previous prime is 23909400343. The next prime is 23909400497. The reversal of 23909400441 is 14400490932.

It is not a de Polignac number, because 23909400441 - 27 = 23909400313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23909400396 and 23909400405.

It is not an unprimeable number, because it can be changed into a prime (23909400041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19824771 + ... + 19825976.

It is an arithmetic number, because the mean of its divisors is an integer number (2920938436).

Almost surely, 223909400441 is an apocalyptic number.

It is an amenable number.

23909400441 is a deficient number, since it is larger than the sum of its proper divisors (11141860791).

23909400441 is a wasteful number, since it uses less digits than its factorization.

23909400441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39650820 (or 39650817 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 23909400441 in words is "twenty-three billion, nine hundred nine million, four hundred thousand, four hundred forty-one".

Divisors: 1 3 9 67 201 603 39650747 118952241 356856723 2656600049 7969800147 23909400441