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23020563542 = 244279259949
BaseRepresentation
bin10101011100001000…
…011110110001010110
32012102100020210110112
4111130020132301112
5334121231013132
614324150323022
71443320363414
oct253410366126
965370223415
1023020563542
119843565129
124565659472
13222b40bc42
1411855222b4
158eb022ab2
hex55c21ec56

23020563542 has 8 divisors (see below), whose sum is σ = 34531758000. Its totient is φ = 11509977544.

The previous prime is 23020563539. The next prime is 23020563547. The reversal of 23020563542 is 24536502032.

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

It is a junction number, because it is equal to n+sod(n) for n = 23020563499 and 23020563508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020563547) 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 3 ways as a sum of consecutive naturals, for example, 41417 + ... + 218532.

It is an arithmetic number, because the mean of its divisors is an integer number (4316469750).

Almost surely, 223020563542 is an apocalyptic number.

23020563542 is a deficient number, since it is larger than the sum of its proper divisors (11511194458).

23020563542 is a wasteful number, since it uses less digits than its factorization.

23020563542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304230.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 23020563542 in words is "twenty-three billion, twenty million, five hundred sixty-three thousand, five hundred forty-two".

Divisors: 1 2 44279 88558 259949 519898 11510281771 23020563542