Search a number
-
+
3020031001 = 13534383209
BaseRepresentation
bin1011010000000010…
…0000010000011001
321210110201110201001
42310000200100121
522141111443001
61215401425001
7134560561051
oct26400402031
97713643631
103020031001
11130a801a99
1270349b161
133918a8ac0
1420913c561
1512a1ee001
hexb4020419

3020031001 has 8 divisors (see below), whose sum is σ = 3313706760. Its totient is φ = 2735121792.

The previous prime is 3020030999. The next prime is 3020031017. The reversal of 3020031001 is 1001300203.

It can be written as a sum of positive squares in 4 ways, for example, as 61214976 + 2958816025 = 7824^2 + 54395^2 .

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

It is not a de Polignac number, because 3020031001 - 21 = 3020030999 is a prime.

It is a super-3 number, since 3×30200310013 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3020031041) 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, 2190916 + ... + 2192293.

It is an arithmetic number, because the mean of its divisors is an integer number (414213345).

Almost surely, 23020031001 is an apocalyptic number.

It is an amenable number.

3020031001 is a deficient number, since it is larger than the sum of its proper divisors (293675759).

3020031001 is a wasteful number, since it uses less digits than its factorization.

3020031001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383275.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 3020031001 is about 54954.8087158895. The cubic root of 3020031001 is about 1445.4524193286.

Adding to 3020031001 its reverse (1001300203), we get a palindrome (4021331204).

The spelling of 3020031001 in words is "three billion, twenty million, thirty-one thousand, one".

Divisors: 1 13 53 689 4383209 56981717 232310077 3020031001