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104221404122401 = 263396279103127
BaseRepresentation
bin10111101100100111101111…
…110001010100110100100001
3111200000110122211220222210101
4113230213233301110310201
5102130030413423404101
61005354352503302401
730644514360141526
oct2754475761246441
9450013584828711
10104221404122401
113023205a6429a5
12b83298144aa01
1346200617cb417
141ba44b2bc114d
15c0b087d76401
hex5ec9efc54d21

104221404122401 has 4 divisors (see below), whose sum is σ = 104617683225792. Its totient is φ = 103825125019012.

The previous prime is 104221404122399. The next prime is 104221404122413.

104221404122401 is nontrivially palindromic in base 10.

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 104221404122401 - 21 = 104221404122399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104221404122401.

It is not an unprimeable number, because it can be changed into a prime (104221404152401) 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, 198139551301 + ... + 198139551826.

It is an arithmetic number, because the mean of its divisors is an integer number (26154420806448).

Almost surely, 2104221404122401 is an apocalyptic number.

It is an amenable number.

104221404122401 is a deficient number, since it is larger than the sum of its proper divisors (396279103391).

104221404122401 is an equidigital number, since it uses as much as digits as its factorization.

104221404122401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396279103390.

The product of its (nonzero) digits is 4096, while the sum is 28.

It can be divided in two parts, 10422140 and 4122401, that added together give a palindrome (14544541).

The spelling of 104221404122401 in words is "one hundred four trillion, two hundred twenty-one billion, four hundred four million, one hundred twenty-two thousand, four hundred one".

Divisors: 1 263 396279103127 104221404122401