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23940257803 = 71117831791231
BaseRepresentation
bin10110010010111100…
…110101100000001011
32021210102211002210221
4112102330311200023
5343012201222203
614555322450511
71505155555660
oct262274654013
967712732727
1023940257803
11a175719030
124781663a37
132346b0c827
141231727a67
15951b3eabd
hex592f3580b

23940257803 has 64 divisors (see below), whose sum is σ = 32188907520. Its totient is φ = 17234956800.

The previous prime is 23940257771. The next prime is 23940257813. The reversal of 23940257803 is 30875204932.

It is a cyclic number.

It is not a de Polignac number, because 23940257803 - 25 = 23940257771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23940257803.

It is not an unprimeable number, because it can be changed into a prime (23940257813) 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 63 ways as a sum of consecutive naturals, for example, 19447198 + ... + 19448428.

It is an arithmetic number, because the mean of its divisors is an integer number (502951680).

Almost surely, 223940257803 is an apocalyptic number.

23940257803 is a deficient number, since it is larger than the sum of its proper divisors (8248649717).

23940257803 is a wasteful number, since it uses less digits than its factorization.

23940257803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 23940257803 in words is "twenty-three billion, nine hundred forty million, two hundred fifty-seven thousand, eight hundred three".

Divisors: 1 7 11 17 77 83 119 179 187 581 913 1231 1253 1309 1411 1969 3043 6391 8617 9877 13541 13783 14857 15521 20927 21301 33473 94787 102173 103999 108647 146489 163427 220349 230197 234311 252569 715211 1123903 1143989 1542443 1611379 1736941 1767983 2423839 2778259 3745933 7867321 12158587 16966873 18288967 19106351 19447813 26221531 41205263 128022769 133744457 201178637 288436841 310912439 1408250459 2176387073 3420036829 23940257803