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42271640167 = 149283702283
BaseRepresentation
bin100111010111100101…
…100000101001100111
311001002222112210222111
4213113211200221213
51143033014441132
631230323541451
73024350004301
oct472745405147
9131088483874
1042271640167
1116a22269a09
12823882a887
133ca88a8143
142090176971
151176155647
hex9d7960a67

42271640167 has 4 divisors (see below), whose sum is σ = 42555342600. Its totient is φ = 41987937736.

The previous prime is 42271640137. The next prime is 42271640171. The reversal of 42271640167 is 76104617224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42271640167 - 211 = 42271638119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42271640137) 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 3 ways as a sum of consecutive naturals, for example, 141850993 + ... + 141851290.

It is an arithmetic number, because the mean of its divisors is an integer number (10638835650).

Almost surely, 242271640167 is an apocalyptic number.

42271640167 is a deficient number, since it is larger than the sum of its proper divisors (283702433).

42271640167 is a wasteful number, since it uses less digits than its factorization.

42271640167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283702432.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 42271640167 in words is "forty-two billion, two hundred seventy-one million, six hundred forty thousand, one hundred sixty-seven".

Divisors: 1 149 283702283 42271640167