Search a number
-
+
2011210031000 = 23532011210031
BaseRepresentation
bin11101010001000101011…
…101011001111110011000
321010021021200111102120102
4131101011131121332120
5230422424231443000
64135534230514532
7265206442124132
oct35210535317630
97107250442512
102011210031000
11705a496a3015
12285952205a48
1311786bb48a01
146d4b35d4052
15374b22083d5
hex1d445759f98

2011210031000 has 32 divisors (see below), whose sum is σ = 4706231474880. Its totient is φ = 804484012000.

The previous prime is 2011210030979. The next prime is 2011210031003. The reversal of 2011210031000 is 1300121102.

It is a super-2 number, since 2×20112100310002 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011210031003) 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, 1005604016 + ... + 1005606015.

It is an arithmetic number, because the mean of its divisors is an integer number (147069733590).

Almost surely, 22011210031000 is an apocalyptic number.

2011210031000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011210031000 is an abundant number, since it is smaller than the sum of its proper divisors (2695021443880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011210031000 is a wasteful number, since it uses less digits than its factorization.

2011210031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011210052 (or 2011210038 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 2011210031000 its reverse (1300121102), we get a palindrome (2012510152102).

The spelling of 2011210031000 in words is "two trillion, eleven billion, two hundred ten million, thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 2011210031 4022420062 8044840124 10056050155 16089680248 20112100310 40224200620 50280250775 80448401240 100560501550 201121003100 251401253875 402242006200 502802507750 1005605015500 2011210031000