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3133402221 = 33155816037
BaseRepresentation
bin1011101011000011…
…1110110001101101
322002101001022210010
42322300332301231
522404122332341
61234531403433
7140435323305
oct27260766155
98071038703
103133402221
1113687a6514
12735453579
133ac221771
1421a210605
15135145716
hexbac3ec6d

3133402221 has 16 divisors (see below), whose sum is σ = 4314126848. Its totient is φ = 2020852800.

The previous prime is 3133402219. The next prime is 3133402273. The reversal of 3133402221 is 1222043313.

It is not a de Polignac number, because 3133402221 - 21 = 3133402219 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 (3133402291) 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 15 ways as a sum of consecutive naturals, for example, 516015 + ... + 522051.

It is an arithmetic number, because the mean of its divisors is an integer number (269632928).

Almost surely, 23133402221 is an apocalyptic number.

3133402221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3133402221 is a deficient number, since it is larger than the sum of its proper divisors (1180724627).

3133402221 is a wasteful number, since it uses less digits than its factorization.

3133402221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11652.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3133402221 is about 55976.8007392348. The cubic root of 3133402221 is about 1463.3180028189.

Adding to 3133402221 its reverse (1222043313), we get a palindrome (4355445534).

The spelling of 3133402221 in words is "three billion, one hundred thirty-three million, four hundred two thousand, two hundred twenty-one".

Divisors: 1 3 31 93 5581 6037 16743 18111 173011 187147 519033 561441 33692497 101077491 1044467407 3133402221