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23545054533 = 37211131120073
BaseRepresentation
bin10101111011011001…
…010000010101000101
32020202220011200211210
4111323121100111011
5341210013221113
614452204122033
71462316442600
oct257331202505
966686150753
1023545054533
119a92629a60
124691236319
1322b2c8a640
1411d5051337
1592c0c76c3
hex57b650545

23545054533 has 48 divisors (see below), whose sum is σ = 42903314496. Its totient is φ = 11290325760.

The previous prime is 23545054457. The next prime is 23545054549. The reversal of 23545054533 is 33545054532.

It is not a de Polignac number, because 23545054533 - 29 = 23545054021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 23545054491 and 23545054500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23545054583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 539016 + ... + 581057.

It is an arithmetic number, because the mean of its divisors is an integer number (893819052).

Almost surely, 223545054533 is an apocalyptic number.

It is an amenable number.

23545054533 is a deficient number, since it is larger than the sum of its proper divisors (19358259963).

23545054533 is a wasteful number, since it uses less digits than its factorization.

23545054533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120114 (or 1120107 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 39.

Subtracting 23545054533 from its reverse (33545054532), we obtain a palindrome (9999999999).

The spelling of 23545054533 in words is "twenty-three billion, five hundred forty-five million, fifty-four thousand, five hundred thirty-three".

Divisors: 1 3 7 11 13 21 33 39 49 77 91 143 147 231 273 429 539 637 1001 1617 1911 3003 7007 21021 1120073 3360219 7840511 12320803 14560949 23521533 36962409 43682847 54883577 86245621 101926643 160170439 164650731 258736863 305779929 480511317 603719347 713486501 1121193073 1811158041 2140459503 3363579219 7848351511 23545054533