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23121105434113 = 281981869100183
BaseRepresentation
bin1010100000111010011010…
…10001101011011000000001
310000212100121120222021010111
411100131031101223120001
511012304010442342423
6121101404511231321
74604305355336251
oct520351521533001
9100770546867114
1023121105434113
117404673284945
122715037518541
13cb940703220b
1459d0d3211961
152a167663b60d
hex15074d46b601

23121105434113 has 8 divisors (see below), whose sum is σ = 23129820705600. Its totient is φ = 23112390532368.

The previous prime is 23121105434107. The next prime is 23121105434201. The reversal of 23121105434113 is 31143450112132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23121105434113 - 213 = 23121105425921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23121105734113) 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, 230738620 + ... + 230838802.

It is an arithmetic number, because the mean of its divisors is an integer number (2891227588200).

Almost surely, 223121105434113 is an apocalyptic number.

It is an amenable number.

23121105434113 is a deficient number, since it is larger than the sum of its proper divisors (8715271487).

23121105434113 is a wasteful number, since it uses less digits than its factorization.

23121105434113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184871.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 23121105434113 its reverse (31143450112132), we get a palindrome (54264555546245).

The spelling of 23121105434113 in words is "twenty-three trillion, one hundred twenty-one billion, one hundred five million, four hundred thirty-four thousand, one hundred thirteen".

Divisors: 1 2819 81869 100183 230788711 282415877 8201882027 23121105434113