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42011179497 = 34774093791
BaseRepresentation
bin100111001000000011…
…111011100111101001
311000102211110001010000
4213020003323213221
51142014330220442
631144421213213
73015035063610
oct471003734751
9130384401100
1042011179497
11168a9240a61
128185561209
133c669422c1
142067736877
15115d356d4c
hex9c80fb9e9

42011179497 has 20 divisors (see below), whose sum is σ = 71722790656. Its totient is φ = 24006387960.

The previous prime is 42011179493. The next prime is 42011179517. The reversal of 42011179497 is 79497111024.

42011179497 is a `hidden beast` number, since 42 + 0 + 1 + 117 + 9 + 497 = 666.

It is not a de Polignac number, because 42011179497 - 22 = 42011179493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42011179493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37046329 + ... + 37047462.

Almost surely, 242011179497 is an apocalyptic number.

It is an amenable number.

42011179497 is a deficient number, since it is larger than the sum of its proper divisors (29711611159).

42011179497 is an equidigital number, since it uses as much as digits as its factorization.

42011179497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74093810 (or 74093801 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 42011179497 in words is "forty-two billion, eleven million, one hundred seventy-nine thousand, four hundred ninety-seven".

Divisors: 1 3 7 9 21 27 63 81 189 567 74093791 222281373 518656537 666844119 1555969611 2000532357 4667908833 6001597071 14003726499 42011179497