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3121022003 = 112029139837
BaseRepresentation
bin1011101000000111…
…0000010000110011
322001111202100022112
42322001300100303
522342440201003
61233410155535
7140225151341
oct27201602063
98044670275
103121022003
111361810030
12731282bab
133a97a86a8
1421870a991
15133eec3d8
hexba070433

3121022003 has 8 divisors (see below), whose sum is σ = 3406453680. Its totient is φ = 2835874080.

The previous prime is 3121021979. The next prime is 3121022011. The reversal of 3121022003 is 3002201213.

It is a happy number.

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 3121022003 - 214 = 3121005619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121022033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47600 + ... + 92237.

It is an arithmetic number, because the mean of its divisors is an integer number (425806710).

Almost surely, 23121022003 is an apocalyptic number.

3121022003 is a deficient number, since it is larger than the sum of its proper divisors (285431677).

3121022003 is a wasteful number, since it uses less digits than its factorization.

3121022003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141877.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3121022003 is about 55866.1078203950. The cubic root of 3121022003 is about 1461.3882465540.

Adding to 3121022003 its reverse (3002201213), we get a palindrome (6123223216).

The spelling of 3121022003 in words is "three billion, one hundred twenty-one million, twenty-two thousand, three".

Divisors: 1 11 2029 22319 139837 1538207 283729273 3121022003