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112271020721 = 2313151371177
BaseRepresentation
bin110100010001111011…
…1111101001010110001
3101201210100201210010122
41220203313331022301
53314412340130341
6123324313340025
711053115634056
oct1504367751261
9351710653118
10112271020721
1143683078642
1219913407615
13a782b66852
145610a6b02d
152dc169294b
hex1a23dfd2b1

112271020721 has 8 divisors (see below), whose sum is σ = 117161593344. Its totient is φ = 107381216800.

The previous prime is 112271020711. The next prime is 112271020811. The reversal of 112271020721 is 127020172211.

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 112271020721 - 210 = 112271019697 is a prime.

It is a super-2 number, since 2×1122710207212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112271020711) 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, 116885 + ... + 488061.

It is an arithmetic number, because the mean of its divisors is an integer number (14645199168).

Almost surely, 2112271020721 is an apocalyptic number.

It is an amenable number.

112271020721 is a deficient number, since it is larger than the sum of its proper divisors (4890572623).

112271020721 is a wasteful number, since it uses less digits than its factorization.

112271020721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384351.

The product of its (nonzero) digits is 784, while the sum is 26.

Adding to 112271020721 its reverse (127020172211), we get a palindrome (239291192932).

The spelling of 112271020721 in words is "one hundred twelve billion, two hundred seventy-one million, twenty thousand, seven hundred twenty-one".

Divisors: 1 23 13151 302473 371177 8537071 4881348727 112271020721