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24142401321421 = 179134873750399
BaseRepresentation
bin1010111110101000101110…
…10000010011100111001101
310011110222202110100212001111
411133110113100103213031
511131022114214241141
6123202511022412021
75041142132213305
oct537242720234715
9104428673325044
1024142401321421
11776880a1780a9
12285ab61431011
1310618073006b6
145d66d9ab0605
152bceec79a381
hex15f5174139cd

24142401321421 has 4 divisors (see below), whose sum is σ = 24277275072000. Its totient is φ = 24007527570844.

The previous prime is 24142401321419. The next prime is 24142401321443. The reversal of 24142401321421 is 12412310424142.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 24142401321421 - 21 = 24142401321419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24142401321491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67436875021 + ... + 67436875378.

It is an arithmetic number, because the mean of its divisors is an integer number (6069318768000).

Almost surely, 224142401321421 is an apocalyptic number.

It is an amenable number.

24142401321421 is a deficient number, since it is larger than the sum of its proper divisors (134873750579).

24142401321421 is a wasteful number, since it uses less digits than its factorization.

24142401321421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134873750578.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 24142401321421 its reverse (12412310424142), we get a palindrome (36554711745563).

The spelling of 24142401321421 in words is "twenty-four trillion, one hundred forty-two billion, four hundred one million, three hundred twenty-one thousand, four hundred twenty-one".

Divisors: 1 179 134873750399 24142401321421