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20040410102321 = 712149632356381
BaseRepresentation
bin1001000111010000001011…
…00001100111101000110001
32121221211210122012101210002
410203220011201213220301
510111320224441233241
6110342234242515345
74135605021151160
oct443500541475061
977854718171702
1020040410102321
1164270aa061014
1222b7b70965b55
13b24a58303b9b
144d3d6509d3d7
1524b46c87989b
hex123a05867a31

20040410102321 has 8 divisors (see below), whose sum is σ = 22903354401984. Its totient is φ = 17177472945360.

The previous prime is 20040410102281. The next prime is 20040410102327. The reversal of 20040410102321 is 12320101404002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-20040410102321 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20040410102293 and 20040410102302.

It is not an unprimeable number, because it can be changed into a prime (20040410102327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7326551 + ... + 9682931.

It is an arithmetic number, because the mean of its divisors is an integer number (2862919300248).

Almost surely, 220040410102321 is an apocalyptic number.

It is an amenable number.

20040410102321 is a deficient number, since it is larger than the sum of its proper divisors (2862944299663).

20040410102321 is a wasteful number, since it uses less digits than its factorization.

20040410102321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571351.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20040410102321 its reverse (12320101404002), we get a palindrome (32360511506323).

The spelling of 20040410102321 in words is "twenty trillion, forty billion, four hundred ten million, one hundred two thousand, three hundred twenty-one".

Divisors: 1 7 1214963 2356381 8504741 16494667 2862915728903 20040410102321