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80024930986 = 27112133633863
BaseRepresentation
bin100101010000111011…
…0111000101010101010
321122120002000200212211
41022201312320222222
52302342340242421
6100432443555334
75532043455460
oct1124166705252
9248502020784
1080024930986
1130a35a95100
121361422bb4a
137714353790
143c321c8830
1521357959e1
hex12a1db8aaa

80024930986 has 48 divisors (see below), whose sum is σ = 162390114432. Its totient is φ = 28780187040.

The previous prime is 80024930983. The next prime is 80024931031. The reversal of 80024930986 is 68903942008.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80024930983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1794910 + ... + 1838953.

It is an arithmetic number, because the mean of its divisors is an integer number (3383127384).

Almost surely, 280024930986 is an apocalyptic number.

80024930986 is an abundant number, since it is smaller than the sum of its proper divisors (82365183446).

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

80024930986 is a wasteful number, since it uses less digits than its factorization.

80024930986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633907 (or 3633896 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 80024930986 in words is "eighty billion, twenty-four million, nine hundred thirty thousand, nine hundred eighty-six".

Divisors: 1 2 7 11 13 14 22 26 77 91 121 143 154 182 242 286 847 1001 1573 1694 2002 3146 11011 22022 3633863 7267726 25437041 39972493 47240219 50874082 79944986 94480438 279807451 330681533 439697423 519642409 559614902 661363066 879394846 1039284818 3077881961 3637496863 5716066499 6155763922 7274993726 11432132998 40012465493 80024930986