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23541005420 = 2252814188791
BaseRepresentation
bin10101111011001001…
…110011110001101100
32020202121112222111122
4111323021303301230
5341202444133140
614451541240112
71462240146602
oct257311636154
966677488448
1023541005420
119a90313889
12468ba03038
1322b21a060a
1411d46b9872
1592ba77ab5
hex57b273c6c

23541005420 has 24 divisors (see below), whose sum is σ = 49612052448. Its totient is φ = 9382889600.

The previous prime is 23541005413. The next prime is 23541005429. The reversal of 23541005420 is 2450014532.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23541005420.

It is not an unprimeable number, because it can be changed into a prime (23541005429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2088776 + ... + 2100015.

It is an arithmetic number, because the mean of its divisors is an integer number (2067168852).

Almost surely, 223541005420 is an apocalyptic number.

23541005420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23541005420 is an abundant number, since it is smaller than the sum of its proper divisors (26071047028).

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

23541005420 is a wasteful number, since it uses less digits than its factorization.

23541005420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189081 (or 4189079 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 23541005420 its reverse (2450014532), we get a palindrome (25991019952).

The spelling of 23541005420 in words is "twenty-three billion, five hundred forty-one million, five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 281 562 1124 1405 2810 5620 4188791 8377582 16755164 20943955 41887910 83775820 1177050271 2354100542 4708201084 5885251355 11770502710 23541005420