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80243227456 = 2671674332477
BaseRepresentation
bin100101010111011011…
…1100111101101000000
321200010021210022100021
41022232313213231000
52303314231234311
6100510242503224
75540334115360
oct1125667475500
9250107708307
1080243227456
1131038234507
1213675364b14
13774a6459a2
143c531b09a0
152149a16171
hex12aede7b40

80243227456 has 112 divisors (see below), whose sum is σ = 183566750976. Its totient is φ = 34091311104.

The previous prime is 80243227453. The next prime is 80243227469. The reversal of 80243227456 is 65472234208.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80243227453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32394090 + ... + 32396566.

It is an arithmetic number, because the mean of its divisors is an integer number (1638988848).

Almost surely, 280243227456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80243227456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91783375488).

80243227456 is an abundant number, since it is smaller than the sum of its proper divisors (103323523520).

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

80243227456 is a wasteful number, since it uses less digits than its factorization.

80243227456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096 (or 3086 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 80243227456 in words is "eighty billion, two hundred forty-three million, two hundred twenty-seven thousand, four hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 167 224 334 433 448 668 866 1169 1336 1732 2338 2477 2672 3031 3464 4676 4954 5344 6062 6928 9352 9908 10688 12124 13856 17339 18704 19816 24248 27712 34678 37408 39632 48496 69356 72311 74816 79264 96992 138712 144622 158528 193984 277424 289244 413659 506177 554848 578488 827318 1012354 1072541 1109696 1156976 1654636 2024708 2145082 2313952 2895613 3309272 4049416 4290164 4627904 5791226 6618544 7507787 8098832 8580328 11582452 13237088 15015574 16197664 17160656 23164904 26474176 30031148 32395328 34321312 46329808 60062296 68642624 92659616 120124592 179114347 185319232 240249184 358228694 480498368 716457388 1253800429 1432914776 2507600858 2865829552 5015201716 5731659104 10030403432 11463318208 20060806864 40121613728 80243227456