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80814814068 = 22337182015347
BaseRepresentation
bin100101101000011110…
…0000011001101110100
321201121010022220202210
41023100330003031310
52311002043022233
6101043101533420
75560444404552
oct1132074031564
9251533286683
1080814814068
1131300945a3a
12137b4874270
13780bba3811
143ca907cbd2
15217ecc0163
hex12d0f03374

80814814068 has 24 divisors (see below), whose sum is σ = 193664330272. Its totient is φ = 26210209824.

The previous prime is 80814813977. The next prime is 80814814099. The reversal of 80814814068 is 86041841808.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91007230 + ... + 91008117.

Almost surely, 280814814068 is an apocalyptic number.

It is an amenable number.

80814814068 is an abundant number, since it is smaller than the sum of its proper divisors (112849516204).

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

80814814068 is a wasteful number, since it uses less digits than its factorization.

80814814068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182015391 (or 182015389 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 48.

The spelling of 80814814068 in words is "eighty billion, eight hundred fourteen million, eight hundred fourteen thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 182015347 364030694 546046041 728061388 1092092082 2184184164 6734567839 13469135678 20203703517 26938271356 40407407034 80814814068