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23201669231 = 131784743787
BaseRepresentation
bin10101100110111011…
…010110000001101111
32012212222000220202122
4111212323112001233
5340004111403411
614354140143155
71450646635346
oct254673260157
965788026678
1023201669231
119926812554
1245b6237abb
132259aac180
1411a15c6b5d
1590bd989db
hex566ed606f

23201669231 has 4 divisors (see below), whose sum is σ = 24986413032. Its totient is φ = 21416925432.

The previous prime is 23201669219. The next prime is 23201669263. The reversal of 23201669231 is 13296610232.

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

It is a cyclic number.

It is not a de Polignac number, because 23201669231 - 210 = 23201668207 is a prime.

It is a super-2 number, since 2×232016692312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23201669191 and 23201669200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201669431) 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, 892371881 + ... + 892371906.

It is an arithmetic number, because the mean of its divisors is an integer number (6246603258).

Almost surely, 223201669231 is an apocalyptic number.

23201669231 is a deficient number, since it is larger than the sum of its proper divisors (1784743801).

23201669231 is a wasteful number, since it uses less digits than its factorization.

23201669231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784743800.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 23201669231 in words is "twenty-three billion, two hundred one million, six hundred sixty-nine thousand, two hundred thirty-one".

Divisors: 1 13 1784743787 23201669231