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23404140142300 = 22521990391175857
BaseRepresentation
bin1010101001001001100110…
…11101011001111011011100
310001212102011202201011122101
411110210303131121323130
511031423134334023200
6121435414043254444
74633615260555511
oct524446335317334
9101772152634571
1023404140142300
117503704a69315
12275ba6721a424
13100a0021006c8
145acaa310b308
152a8bde6cc26a
hex154933759edc

23404140142300 has 36 divisors (see below), whose sum is σ = 50787282461440. Its totient is φ = 9361601061120.

The previous prime is 23404140142199. The next prime is 23404140142301. The reversal of 23404140142300 is 324104140432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404140142301) 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, 19315972 + ... + 20491828.

Almost surely, 223404140142300 is an apocalyptic number.

23404140142300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23404140142300 is an abundant number, since it is smaller than the sum of its proper divisors (27383142319140).

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

23404140142300 is a wasteful number, since it uses less digits than its factorization.

23404140142300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374910 (or 1374903 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 23404140142300 its reverse (324104140432), we get a palindrome (23728244282732).

The spelling of 23404140142300 in words is "twenty-three trillion, four hundred four billion, one hundred forty million, one hundred forty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 199039 398078 796156 995195 1175857 1990390 2351714 3980780 4703428 4975975 5879285 9951950 11758570 19903900 23517140 29396425 58792850 117585700 234041401423 468082802846 936165605692 1170207007115 2340414014230 4680828028460 5851035035575 11702070071150 23404140142300