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8201202021005 = 573891045957593
BaseRepresentation
bin111011101010111110110…
…1110111011001010001101
31002001000201212111002012012
41313111331232323022031
52033332030204133010
625235325153351005
71504342300656530
oct167257556731215
932030655432165
108201202021005
112682123810624
12b05545b68465
134764a6c64666
14204d24258a17
15e34eabc4005
hex7757dbbb28d

8201202021005 has 32 divisors (see below), whose sum is σ = 11277550252800. Its totient is φ = 5608590930432.

The previous prime is 8201202020939. The next prime is 8201202021011. The reversal of 8201202021005 is 5001202021028.

It is not a de Polignac number, because 8201202021005 - 226 = 8201134912141 is a prime.

It is a super-2 number, since 2×82012020210052 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142370489 + ... + 142428081.

It is an arithmetic number, because the mean of its divisors is an integer number (352423445400).

Almost surely, 28201202021005 is an apocalyptic number.

It is an amenable number.

8201202021005 is a deficient number, since it is larger than the sum of its proper divisors (3076348231795).

8201202021005 is a wasteful number, since it uses less digits than its factorization.

8201202021005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68453.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 8201202021005 its sum of digits (23), we get a palindrome (8201202021028).

The spelling of 8201202021005 in words is "eight trillion, two hundred one billion, two hundred two million, twenty-one thousand, five".

Divisors: 1 5 7 35 389 1945 2723 10459 13615 52295 57593 73213 287965 366065 403151 2015755 4068551 20342755 22403677 28479857 112018385 142399285 156825739 602365187 784128695 3011825935 4216556309 21082781545 234320057743 1171600288715 1640240404201 8201202021005