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42140144241 = 3313157176421
BaseRepresentation
bin100111001111101111…
…111001001001110001
311000202211010010111000
4213033233321021301
51142300334103431
631205305312213
73021162213246
oct471757711161
9130684103430
1042140144241
1116965016098
128200795669
133c875877c0
14207a9075cd
15116982d9e6
hex9cfbf9271

42140144241 has 32 divisors (see below), whose sum is σ = 67275815040. Its totient is φ = 25915550400.

The previous prime is 42140144219. The next prime is 42140144261. The reversal of 42140144241 is 14244104124.

It is a happy number.

42140144241 is a `hidden beast` number, since 4 + 214 + 0 + 1 + 442 + 4 + 1 = 666.

It is not a de Polignac number, because 42140144241 - 210 = 42140143217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42140144261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513211 + ... + 589631.

It is an arithmetic number, because the mean of its divisors is an integer number (2102369220).

Almost surely, 242140144241 is an apocalyptic number.

It is an amenable number.

42140144241 is a deficient number, since it is larger than the sum of its proper divisors (25135670799).

42140144241 is a wasteful number, since it uses less digits than its factorization.

42140144241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78014 (or 78008 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 42140144241 its reverse (14244104124), we get a palindrome (56384248365).

The spelling of 42140144241 in words is "forty-two billion, one hundred forty million, one hundred forty-four thousand, two hundred forty-one".

Divisors: 1 3 9 13 27 39 117 351 1571 4713 14139 20423 42417 61269 76421 183807 229263 551421 687789 993473 2063367 2980419 8941257 26823771 120057391 360172173 1080516519 1560746083 3241549557 4682238249 14046714747 42140144241