Search a number
-
+
2010221101021 = 72727178931543
BaseRepresentation
bin11101010000001010100…
…000111011111111011101
321010011201202122120200011
4131100022200323333131
5230413413100213041
64135252142403221
7265143103300300
oct35201240737735
97104652576604
102010221101021
11705591450311
12285716b90511
13117741cb6443
146d41c128b37
15374554b1e81
hex1d40a83bfdd

2010221101021 has 24 divisors (see below), whose sum is σ = 2343020184960. Its totient is φ = 1719660251232.

The previous prime is 2010221100967. The next prime is 2010221101043. The reversal of 2010221101021 is 1201011220102.

It is not a de Polignac number, because 2010221101021 - 27 = 2010221100893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2010221100992 and 2010221101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010221161021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63713776 + ... + 63745318.

It is an arithmetic number, because the mean of its divisors is an integer number (97625841040).

Almost surely, 22010221101021 is an apocalyptic number.

It is an amenable number.

2010221101021 is a deficient number, since it is larger than the sum of its proper divisors (332799083939).

2010221101021 is a wasteful number, since it uses less digits than its factorization.

2010221101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34073 (or 34066 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2010221101021 its reverse (1201011220102), we get a palindrome (3211232321123).

The spelling of 2010221101021 in words is "two trillion, ten billion, two hundred twenty-one million, one hundred one thousand, twenty-one".

Divisors: 1 7 49 727 1789 5089 12523 31543 35623 87661 220801 1300603 1545607 9104221 22931761 56430427 63729547 160522327 395012989 1123656289 2765090923 41024920429 287174443003 2010221101021