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330021000031 = 4631462748731
BaseRepresentation
bin1001100110101101100…
…10001101001101011111
31011112211201201211202011
410303112302031031133
520401340334000111
6411335355212051
732562141133642
oct4632662151537
91145751654664
10330021000031
11117a63283a28
1253b63447027
1325175667358
1411d8a295a59
1588b8085021
hex4cd6c8d35f

330021000031 has 8 divisors (see below), whose sum is σ = 330763186944. Its totient is φ = 329278940760.

The previous prime is 330020999981. The next prime is 330021000077. The reversal of 330021000031 is 130000120033.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-330021000031 is a prime.

It is a super-2 number, since 2×3300210000312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330020999975 and 330021000020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330021001031) 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, 6747936 + ... + 6796666.

It is an arithmetic number, because the mean of its divisors is an integer number (41345398368).

Almost surely, 2330021000031 is an apocalyptic number.

330021000031 is a deficient number, since it is larger than the sum of its proper divisors (742186913).

330021000031 is a wasteful number, since it uses less digits than its factorization.

330021000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63821.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 330021000031 its reverse (130000120033), we get a palindrome (460021120064).

The spelling of 330021000031 in words is "three hundred thirty billion, twenty-one million, thirty-one", and thus it is an aban number.

Divisors: 1 463 14627 48731 6772301 22562453 712788337 330021000031