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82880230686 = 231110243122597
BaseRepresentation
bin100110100110000001…
…0111111010100011110
321220221001202221201120
41031030002333110132
52324214314340221
6102024042551410
75662564223421
oct1151402772436
9256831687646
1082880230686
1132170803020
1214090508566
137a7aa73426
1440234c59b8
1522512a55c6
hex134c0bf51e

82880230686 has 32 divisors (see below), whose sum is σ = 180848723328. Its totient is φ = 25112564640.

The previous prime is 82880230673. The next prime is 82880230709. The reversal of 82880230686 is 68603208828.

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 in 15 ways as a sum of consecutive naturals, for example, 614740 + ... + 737336.

It is an arithmetic number, because the mean of its divisors is an integer number (5651522604).

Almost surely, 282880230686 is an apocalyptic number.

82880230686 is an abundant number, since it is smaller than the sum of its proper divisors (97968492642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82880230686 is a wasteful number, since it uses less digits than its factorization.

82880230686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132856.

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 82880230686 in words is "eighty-two billion, eight hundred eighty million, two hundred thirty thousand, six hundred eighty-six".

Divisors: 1 2 3 6 11 22 33 66 10243 20486 30729 61458 112673 122597 225346 245194 338019 367791 676038 735582 1348567 2697134 4045701 8091402 1255761071 2511522142 3767283213 7534566426 13813371781 27626743562 41440115343 82880230686