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80015030888 = 23137191070063
BaseRepresentation
bin100101010000101000…
…1000111101001101000
321122112101101201111112
41022201101013221220
52302332321442023
6100431451445452
75531563353302
oct1124121075150
9248471351445
1080015030888
1130a30443001
1213610a56888
137712298530
143c30b6c972
15213498c478
hex12a1447a68

80015030888 has 32 divisors (see below), whose sum is σ = 161793676800. Its totient is φ = 36878616768.

The previous prime is 80015030881. The next prime is 80015030933. The reversal of 80015030888 is 88803051008.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80015030881) 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, 460256 + ... + 609807.

It is an arithmetic number, because the mean of its divisors is an integer number (5056052400).

Almost surely, 280015030888 is an apocalyptic number.

It is an amenable number.

80015030888 is an abundant number, since it is smaller than the sum of its proper divisors (81778645912).

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

80015030888 is a wasteful number, since it uses less digits than its factorization.

80015030888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070801 (or 1070797 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The spelling of 80015030888 in words is "eighty billion, fifteen million, thirty thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 13 26 52 104 719 1438 2876 5752 9347 18694 37388 74776 1070063 2140126 4280252 8560504 13910819 27821638 55643276 111286552 769375297 1538750594 3077501188 6155002376 10001878861 20003757722 40007515444 80015030888