Search a number
-
+
20210000011212 = 2231110112711936233
BaseRepresentation
bin1001001100001100000011…
…10111110001111111001100
32122120001112122112101122210
410212012001313301333030
510122110040000324322
6110552202411110420
74154060432455344
oct446060167617714
978501478471583
1020210000011212
116492016150710
122324a00142410
13b37a442c54bb
144dc2524a5d24
15250a961bb70c
hex126181df1fcc

20210000011212 has 96 divisors (see below), whose sum is σ = 52362062290944. Its totient is φ = 6015860928000.

The previous prime is 20210000011193. The next prime is 20210000011283. The reversal of 20210000011212 is 21211000001202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4274953 + ... + 7661280.

It is an arithmetic number, because the mean of its divisors is an integer number (545438148864).

Almost surely, 220210000011212 is an apocalyptic number.

20210000011212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20210000011212 is an abundant number, since it is smaller than the sum of its proper divisors (32152062279732).

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

20210000011212 is a wasteful number, since it uses less digits than its factorization.

20210000011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11936479 (or 11936477 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20210000011212 its reverse (21211000001202), we get a palindrome (41421000012414).

The spelling of 20210000011212 in words is "twenty trillion, two hundred ten billion, eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 101 127 132 202 254 303 381 404 508 606 762 1111 1212 1397 1524 2222 2794 3333 4191 4444 5588 6666 8382 12827 13332 16764 25654 38481 51308 76962 141097 153924 282194 423291 564388 846582 1693164 11936233 23872466 35808699 47744932 71617398 131298563 143234796 262597126 393895689 525194252 787791378 1205559533 1515901591 1575582756 2411119066 3031803182 3616678599 4547704773 4822238132 6063606364 7233357198 9095409546 13261154863 14466714396 16674917501 18190819092 26522309726 33349835002 39783464589 50024752503 53044619452 66699670004 79566929178 100049505006 153106060691 159133858356 200099010012 306212121382 459318182073 612424242764 918636364146 1684166667601 1837272728292 3368333335202 5052500002803 6736666670404 10105000005606 20210000011212