Search a number
-
+
202011000202121 = 1166607327571507
BaseRepresentation
bin101101111011101001011001…
…111010000110001110001001
3222111021001200221022002000212
4231323221121322012032021
5202434222012022431441
61553350323343010505
760356545622066645
oct5573513172061611
9874231627262025
10202011000202121
115940442521a870
121a7a7103299a35
13889472b7bb896
1437c55553d7c25
151854b82b4aeeb
hexb7ba59e86389

202011000202121 has 8 divisors (see below), whose sum is σ = 220375975435104. Its totient is φ = 183646081444320.

The previous prime is 202011000202009. The next prime is 202011000202133. The reversal of 202011000202121 is 121202000110202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-202011000202121 is a prime.

It is a super-2 number, since 2×2020110002021212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202011000202096 and 202011000202105.

It is not an unprimeable number, because it can be changed into a prime (202011000202421) 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, 6458951 + ... + 21112556.

It is an arithmetic number, because the mean of its divisors is an integer number (27546996929388).

Almost surely, 2202011000202121 is an apocalyptic number.

It is an amenable number.

202011000202121 is a deficient number, since it is larger than the sum of its proper divisors (18364975232983).

202011000202121 is a wasteful number, since it uses less digits than its factorization.

202011000202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28237591.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202011000202121 its reverse (121202000110202), we get a palindrome (323213000312323).

The spelling of 202011000202121 in words is "two hundred two trillion, eleven billion, two hundred two thousand, one hundred twenty-one".

Divisors: 1 11 666073 7326803 27571507 303286577 18364636382011 202011000202121