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23855401107071 = 108421220025651
BaseRepresentation
bin1010110110010010001001…
…01101010111111001111111
310010110112221220211100201222
411123021010231113321333
511111321330140411241
6122423004152023555
75011332035513432
oct533110455277177
9103415856740658
1023855401107071
11766802301a206
122813405691bbb
1310407297ca061
145c687127d819
152b58014e9a4b
hex15b244b57e7f

23855401107071 has 4 divisors (see below), whose sum is σ = 23855621241144. Its totient is φ = 23855180973000.

The previous prime is 23855401107029. The next prime is 23855401107077. The reversal of 23855401107071 is 17070110455832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23855401107071 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 (23855401107077) 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, 109904405 + ... + 110121246.

It is an arithmetic number, because the mean of its divisors is an integer number (5963905310286).

Almost surely, 223855401107071 is an apocalyptic number.

23855401107071 is a deficient number, since it is larger than the sum of its proper divisors (220134073).

23855401107071 is a wasteful number, since it uses less digits than its factorization.

23855401107071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220134072.

The product of its (nonzero) digits is 235200, while the sum is 44.

The spelling of 23855401107071 in words is "twenty-three trillion, eight hundred fifty-five billion, four hundred one million, one hundred seven thousand, seventy-one".

Divisors: 1 108421 220025651 23855401107071