Search a number
-
+
2000203101 = 321317995507
BaseRepresentation
bin111011100111000…
…1010110101011101
312011101201211211100
41313032022311131
513044022444401
6530251143313
7100365305631
oct16716126535
95141654740
102000203101
11937076216
12479a44b39
1325b518940
1414d90cdc1
15ba902b86
hex7738ad5d

2000203101 has 24 divisors (see below), whose sum is σ = 3128842080. Its totient is φ = 1224004896.

The previous prime is 2000203099. The next prime is 2000203103. The reversal of 2000203101 is 1013020002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2000203099) and next prime (2000203103).

It is not a de Polignac number, because 2000203101 - 21 = 2000203099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000203103) 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 23 ways as a sum of consecutive naturals, for example, 26811 + ... + 68696.

It is an arithmetic number, because the mean of its divisors is an integer number (130368420).

Almost surely, 22000203101 is an apocalyptic number.

It is an amenable number.

2000203101 is a deficient number, since it is larger than the sum of its proper divisors (1128638979).

2000203101 is a wasteful number, since it uses less digits than its factorization.

2000203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95705 (or 95702 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2000203101 is about 44723.6302305616. The cubic root of 2000203101 is about 1259.9636969888.

Adding to 2000203101 its reverse (1013020002), we get a palindrome (3013223103).

The spelling of 2000203101 in words is "two billion, two hundred three thousand, one hundred one".

Divisors: 1 3 9 13 39 117 179 537 1611 2327 6981 20943 95507 286521 859563 1241591 3724773 11174319 17095753 51287259 153861777 222244789 666734367 2000203101