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23789291992 = 232973661499
BaseRepresentation
bin10110001001111100…
…111100100111011000
32021101220202020122121
4112021330330213120
5342210024320432
614532331031024
71501343434264
oct261174744730
967356666577
1023789291992
11a0a84871a4
12473ab9b474
13232176314b
14121966b0a4
1594376e197
hex589f3c9d8

23789291992 has 8 divisors (see below), whose sum is σ = 44604922500. Its totient is φ = 11894645992.

The previous prime is 23789291987. The next prime is 23789292011. The reversal of 23789291992 is 29919298732.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 23789291992.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1486830742 + ... + 1486830757.

Almost surely, 223789291992 is an apocalyptic number.

It is an amenable number.

23789291992 is a deficient number, since it is larger than the sum of its proper divisors (20815630508).

23789291992 is a wasteful number, since it uses less digits than its factorization.

23789291992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973661505 (or 2973661501 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 61.

The spelling of 23789291992 in words is "twenty-three billion, seven hundred eighty-nine million, two hundred ninety-one thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 2973661499 5947322998 11894645996 23789291992