Search a number
-
+
2102012000001 = 322334992902157
BaseRepresentation
bin11110100101101001101…
…011011011011100000001
321102221122211102101100100
4132211221223123130001
5233414410033000001
64245352340113013
7304602550124544
oct36455153333401
97387584371310
102102012000001
11740504a7a301
1229b473695769
131232acb60154
1473a48c1085b
1539a28b9a586
hex1e969adb701

2102012000001 has 24 divisors (see below), whose sum is σ = 3169156536000. Its totient is φ = 1340029902816.

The previous prime is 2102011999991. The next prime is 2102012000009. The reversal of 2102012000001 is 1000002102012.

It is not a de Polignac number, because 2102012000001 - 215 = 2102011967233 is a prime.

It is a super-3 number, since 3×21020120000013 (a number of 38 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2102012000009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 726786 + ... + 2175371.

It is an arithmetic number, because the mean of its divisors is an integer number (132048189000).

Almost surely, 22102012000001 is an apocalyptic number.

It is an amenable number.

2102012000001 is a deficient number, since it is larger than the sum of its proper divisors (1067144535999).

2102012000001 is a wasteful number, since it uses less digits than its factorization.

2102012000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905685 (or 2905682 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2102012000001 its reverse (1000002102012), we get a palindrome (3102014102013).

The spelling of 2102012000001 in words is "two trillion, one hundred two billion, twelve million, one", and thus it is an aban number.

Divisors: 1 3 9 23 69 207 3499 10497 31491 80477 241431 724293 2902157 8706471 26119413 66749611 200248833 600746499 10154647343 30463942029 91391826087 233556888889 700670666667 2102012000001