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20112021000010 = 252011202100001
BaseRepresentation
bin1001001001010101100011…
…10111100000111101001010
32122012200122022201220212001
410210222301313200331022
510114003404334000020
6110435200200541214
74144021425556432
oct444526167407512
978180568656761
1020112021000010
116454507598395
122309a1718180a
13b2b72b3cb624
144d75d9a052c2
1524d25e5dd50a
hex124ab1de0f4a

20112021000010 has 8 divisors (see below), whose sum is σ = 36201637800036. Its totient is φ = 8044808400000.

The previous prime is 20112020999989. The next prime is 20112021000067. The reversal of 20112021000010 is 1000012021102.

It can be written as a sum of positive squares in 2 ways, for example, as 19044574552081 + 1067446447929 = 4364009^2 + 1033173^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 2011202100001 = 20112021000010 / (2 + 0 + 1 + 1 + 2 + 0 + 2 + 1 + 0 + 0 + 0 + 0 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005601049991 + ... + 1005601050010.

Almost surely, 220112021000010 is an apocalyptic number.

20112021000010 is a deficient number, since it is larger than the sum of its proper divisors (16089616800026).

20112021000010 is a wasteful number, since it uses less digits than its factorization.

20112021000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011202100008.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20112021000010 its reverse (1000012021102), we get a palindrome (21112033021112).

The spelling of 20112021000010 in words is "twenty trillion, one hundred twelve billion, twenty-one million, ten", and thus it is an aban number.

Divisors: 1 2 5 10 2011202100001 4022404200002 10056010500005 20112021000010