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42842843512 = 237765050777
BaseRepresentation
bin100111111001101000…
…011110100101111000
311002120210100221122221
4213321220132211320
51200220231443022
631403130453424
73044454106210
oct477150364570
9132523327587
1042842843512
1117195739497
128377b94274
13406a0306a1
142105d85240
1511ab385cc7
hex9f9a1e978

42842843512 has 16 divisors (see below), whose sum is σ = 91806093360. Its totient is φ = 18361218624.

The previous prime is 42842843473. The next prime is 42842843597. The reversal of 42842843512 is 21534824824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382525333 + ... + 382525444.

It is an arithmetic number, because the mean of its divisors is an integer number (5737880835).

Almost surely, 242842843512 is an apocalyptic number.

It is an amenable number.

42842843512 is an abundant number, since it is smaller than the sum of its proper divisors (48963249848).

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

42842843512 is a wasteful number, since it uses less digits than its factorization.

42842843512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765050790 (or 765050786 counting only the distinct ones).

The product of its digits is 491520, while the sum is 43.

The spelling of 42842843512 in words is "forty-two billion, eight hundred forty-two million, eight hundred forty-three thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 765050777 1530101554 3060203108 5355355439 6120406216 10710710878 21421421756 42842843512