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3011031213 = 31952825109
BaseRepresentation
bin1011001101111000…
…1011000010101101
321202211210020022120
42303132023002231
522131310444323
61214440503153
7134421225441
oct26336130255
97684706276
103011031213
111305715353
1270047aab9
1338ca77598
14207c78821
151295225e3
hexb378b0ad

3011031213 has 8 divisors (see below), whose sum is σ = 4226008800. Its totient is φ = 1901703888.

The previous prime is 3011031173. The next prime is 3011031229. The reversal of 3011031213 is 3121301103.

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

It is not a de Polignac number, because 3011031213 - 213 = 3011023021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3011031192 and 3011031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3011051213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26412498 + ... + 26412611.

It is an arithmetic number, because the mean of its divisors is an integer number (528251100).

Almost surely, 23011031213 is an apocalyptic number.

It is an amenable number.

3011031213 is a deficient number, since it is larger than the sum of its proper divisors (1214977587).

3011031213 is a wasteful number, since it uses less digits than its factorization.

3011031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52825131.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 3011031213 is about 54872.8640859943. The cubic root of 3011031213 is about 1444.0151593636.

Adding to 3011031213 its reverse (3121301103), we get a palindrome (6132332316).

The spelling of 3011031213 in words is "three billion, eleven million, thirty-one thousand, two hundred thirteen".

Divisors: 1 3 19 57 52825109 158475327 1003677071 3011031213