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42743691216 = 2432296831189
BaseRepresentation
bin100111110011101110…
…001111011111010000
311002022212210111021200
4213303232033133100
51200014341104331
631345225351200
73042141244362
oct476356173720
9132285714250
1042743691216
1117144776946
12834a938500
1340526259a5
1420d6b34d32
1511a27ec5e6
hex9f3b8f7d0

42743691216 has 30 divisors (see below), whose sum is σ = 119622969570. Its totient is φ = 14247897024.

The previous prime is 42743691203. The next prime is 42743691217. The reversal of 42743691216 is 61219634724.

42743691216 is a `hidden beast` number, since 4 + 2 + 74 + 369 + 1 + 216 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41777724816 + 965966400 = 204396^2 + 31080^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42743691217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148415451 + ... + 148415738.

It is an arithmetic number, because the mean of its divisors is an integer number (3987432319).

Almost surely, 242743691216 is an apocalyptic number.

It is an amenable number.

42743691216 is an abundant number, since it is smaller than the sum of its proper divisors (76879278354).

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

42743691216 is a wasteful number, since it uses less digits than its factorization.

42743691216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296831203 (or 296831194 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The spelling of 42743691216 in words is "forty-two billion, seven hundred forty-three million, six hundred ninety-one thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 296831189 593662378 890493567 1187324756 1780987134 2374649512 2671480701 3561974268 4749299024 5342961402 7123948536 10685922804 14247897072 21371845608 42743691216