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10021542044143 = 7218122711294409
BaseRepresentation
bin1001000111010101001001…
…1101000010000111101111
31022111001100111101110222011
42101311102131002013233
52303143104230403033
633151455521502051
72053014103606600
oct221652235020757
938431314343864
1010021542044143
11321412624a693
12115a2aa1a1927
135790481564c6
1426908c13dda7
15125a3b260ccd
hex91d527421ef

10021542044143 has 48 divisors (see below), whose sum is σ = 11786859957600. Its totient is φ = 8495343037440.

The previous prime is 10021542044131. The next prime is 10021542044147. The reversal of 10021542044143 is 34144024512001.

It is a happy number.

10021542044143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10021542044143 - 29 = 10021542043631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021542044147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2272971723 + ... + 2272976131.

It is an arithmetic number, because the mean of its divisors is an integer number (245559582450).

Almost surely, 210021542044143 is an apocalyptic number.

10021542044143 is a deficient number, since it is larger than the sum of its proper divisors (1765317913457).

10021542044143 is a wasteful number, since it uses less digits than its factorization.

10021542044143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5960 (or 5953 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 10021542044143 its reverse (34144024512001), we get a palindrome (44165566556144).

The spelling of 10021542044143 in words is "ten trillion, twenty-one billion, five hundred forty-two million, forty-four thousand, one hundred forty-three".

Divisors: 1 7 49 181 227 1129 1267 1589 4409 7903 8869 11123 30863 41087 55321 204349 216041 256283 287609 798029 1000843 1430443 1793981 2013263 4977761 5586203 7005901 10013101 12557867 34844327 39103421 46387223 49041307 181152583 243910289 324710561 900974741 1129951747 1268068081 2272973927 6306823187 7909662229 8876476567 44147762309 55367635603 204521266207 1431648863449 10021542044143