Search a number
-
+
20213033323212 = 2232561473147867
BaseRepresentation
bin1001001100010001101101…
…01010111100101011001100
32122120100101001020121110200
410212020312222330223030
510122132243012320322
6110553423405333500
74154225544262512
oct446106652745314
978510331217420
1020213033323212
1164933323a3934
122325507b67290
13b38108871382
144dc45d2a04b2
15250bc26408ac
hex126236abcacc

20213033323212 has 18 divisors (see below), whose sum is σ = 51094056455988. Its totient is φ = 6737677774392.

The previous prime is 20213033323207. The next prime is 20213033323333. The reversal of 20213033323212 is 21232333031202.

20213033323212 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 3 + 0 + 3 + 332 + 321 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×202130333232122 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280736573898 + ... + 280736573969.

Almost surely, 220213033323212 is an apocalyptic number.

It is an amenable number.

20213033323212 is an abundant number, since it is smaller than the sum of its proper divisors (30881023132776).

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

20213033323212 is a wasteful number, since it uses less digits than its factorization.

20213033323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561473147877 (or 561473147872 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 20213033323212 its reverse (21232333031202), we get a palindrome (41445366354414).

The spelling of 20213033323212 in words is "twenty trillion, two hundred thirteen billion, thirty-three million, three hundred twenty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 561473147867 1122946295734 1684419443601 2245892591468 3368838887202 5053258330803 6737677774404 10106516661606 20213033323212