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8389161740492 = 2213213349756179
BaseRepresentation
bin111101000010100000100…
…0000010110100011001100
31002200222220002212010212022
41322011001000112203030
52044422000401143432
625501532214425312
71524045151143101
oct172050100264314
932628802763768
108389161740492
112744907108875
12b35a61362238
1348b12c9878a0
14210075234aa8
15e834c0bcb12
hex7a1410168cc

8389161740492 has 24 divisors (see below), whose sum is σ = 15810438294000. Its totient is φ = 3871897534656.

The previous prime is 8389161740363. The next prime is 8389161740497. The reversal of 8389161740492 is 2940471619838.

It is not an unprimeable number, because it can be changed into a prime (8389161740497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10716059 + ... + 11472237.

It is an arithmetic number, because the mean of its divisors is an integer number (658768262250).

Almost surely, 28389161740492 is an apocalyptic number.

It is an amenable number.

8389161740492 is a deficient number, since it is larger than the sum of its proper divisors (7421276553508).

8389161740492 is a wasteful number, since it uses less digits than its factorization.

8389161740492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969545 (or 969543 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 8389161740492 in words is "eight trillion, three hundred eighty-nine billion, one hundred sixty-one million, seven hundred forty thousand, four hundred ninety-two".

Divisors: 1 2 4 13 26 52 213349 426698 756179 853396 1512358 2773537 3024716 5547074 9830327 11094148 19660654 39321308 161330033471 322660066942 645320133884 2097290435123 4194580870246 8389161740492