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3121022442 = 23520170407
BaseRepresentation
bin1011101000000111…
…0000010111101010
322001111202100220210
42322001300113222
522342440204232
61233410201550
7140225152536
oct27201602752
98044670823
103121022442
11136181039a
127312832b6
133a97a8955
1421870abc6
15133eec5cc
hexba0705ea

3121022442 has 8 divisors (see below), whose sum is σ = 6242044896. Its totient is φ = 1040340812.

The previous prime is 3121022417. The next prime is 3121022491. The reversal of 3121022442 is 2442201213.

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

3121022442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260085198 + ... + 260085209.

It is an arithmetic number, because the mean of its divisors is an integer number (780255612).

Almost surely, 23121022442 is an apocalyptic number.

3121022442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121022442 is a wasteful number, since it uses less digits than its factorization.

3121022442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520170412.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3121022442 is about 55866.1117494318. Note that the first 3 decimals coincide. The cubic root of 3121022442 is about 1461.3883150732.

Adding to 3121022442 its reverse (2442201213), we get a palindrome (5563223655).

The spelling of 3121022442 in words is "three billion, one hundred twenty-one million, twenty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 520170407 1040340814 1560511221 3121022442