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8521112044029 = 3131741125496871
BaseRepresentation
bin111101111111111100111…
…0110110100000111111101
31010011121110221122001222110
41323333321312310013331
52104102214140402104
630042313403404233
71536426046210434
oct173777166640775
933147427561873
108521112044029
112795868670902
12b57547223679
1349a6ca926580
142165d174011b
15eb9c1278e89
hex7bff9db41fd

8521112044029 has 16 divisors (see below), whose sum is σ = 12242470857344. Its totient is φ = 5240749291200.

The previous prime is 8521112044007. The next prime is 8521112044037. The reversal of 8521112044029 is 9204402111258.

It is not a de Polignac number, because 8521112044029 - 216 = 8521111978493 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8521112044069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62680537 + ... + 62816334.

It is an arithmetic number, because the mean of its divisors is an integer number (765154428584).

Almost surely, 28521112044029 is an apocalyptic number.

It is an amenable number.

8521112044029 is a deficient number, since it is larger than the sum of its proper divisors (3721358813315).

8521112044029 is a wasteful number, since it uses less digits than its factorization.

8521112044029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125498628.

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 8521112044029 in words is "eight trillion, five hundred twenty-one billion, one hundred twelve million, forty-four thousand, twenty-nine".

Divisors: 1 3 13 39 1741 5223 22633 67899 125496871 376490613 1631459323 4894377969 218490052411 655470157233 2840370681343 8521112044029