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42012434441 = 1722311082151
BaseRepresentation
bin100111001000001000…
…101110000000001001
311000102220210210120102
4213020020232000021
51142020140400231
631144504135145
73015051541415
oct471010560011
9130386723512
1042012434441
11168a9a188aa
128185a674b5
133c66c91583
142067981d45
15115d503acb
hex9c822e009

42012434441 has 8 divisors (see below), whose sum is σ = 44683236864. Its totient is φ = 39363796800.

The previous prime is 42012434423. The next prime is 42012434449. The reversal of 42012434441 is 14443421024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42012434441 - 222 = 42008240137 is a prime.

It is a super-4 number, since 4×420124344414 (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42012434449) 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, 5537285 + ... + 5544866.

It is an arithmetic number, because the mean of its divisors is an integer number (5585404608).

Almost surely, 242012434441 is an apocalyptic number.

It is an amenable number.

42012434441 is a deficient number, since it is larger than the sum of its proper divisors (2670802423).

42012434441 is a wasteful number, since it uses less digits than its factorization.

42012434441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11082391.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 42012434441 its reverse (14443421024), we get a palindrome (56455855465).

The spelling of 42012434441 in words is "forty-two billion, twelve million, four hundred thirty-four thousand, four hundred forty-one".

Divisors: 1 17 223 3791 11082151 188396567 2471319673 42012434441