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3020002013 = 72797154247
BaseRepresentation
bin1011010000000001…
…1001001011011101
321210110122222221102
42310000121023131
522141110031023
61215401042445
7134560410410
oct26400311335
97713588842
103020002013
11130a792236
12703486425
13391898852
14209131b77
1512a1e5628
hexb40192dd

3020002013 has 8 divisors (see below), whose sum is σ = 3452687232. Its totient is φ = 2587630896.

The previous prime is 3020002003. The next prime is 3020002021. The reversal of 3020002013 is 3102000203.

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 3020002013 - 212 = 3019997917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3020001985 and 3020002003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020002003) 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, 57545 + ... + 96702.

It is an arithmetic number, because the mean of its divisors is an integer number (431585904).

Almost surely, 23020002013 is an apocalyptic number.

It is an amenable number.

3020002013 is a deficient number, since it is larger than the sum of its proper divisors (432685219).

3020002013 is a wasteful number, since it uses less digits than its factorization.

3020002013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157051.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 3020002013 is about 54954.5449712760. The cubic root of 3020002013 is about 1445.4477945517.

Adding to 3020002013 its reverse (3102000203), we get a palindrome (6122002216).

The spelling of 3020002013 in words is "three billion, twenty million, two thousand, thirteen".

Divisors: 1 7 2797 19579 154247 1079729 431428859 3020002013