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20102012012011 = 359244132293633
BaseRepresentation
bin1001001001000010111010…
…10010010000010111101011
32122011201210210001122111211
410210201131102100113223
510113322410033341021
6110430423053333551
74143215411561416
oct444413522202753
978151723048454
1020102012012011
1164502407a4586
122307aa31972b7
13b2a7c48b5117
144d6d2a5c2b7d
1524cd75a573e1
hex12485d4905eb

20102012012011 has 8 divisors (see below), whose sum is σ = 20158840971360. Its totient is φ = 20045187689472.

The previous prime is 20102012011993. The next prime is 20102012012041. The reversal of 20102012012011 is 11021021020102.

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

It is not a de Polignac number, because 20102012012011 - 231 = 20099864528363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20102012011982 and 20102012012000.

It is not an unprimeable number, because it can be changed into a prime (20102012012041) 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, 7617451 + ... + 9911083.

It is an arithmetic number, because the mean of its divisors is an integer number (2519855121420).

Almost surely, 220102012012011 is an apocalyptic number.

20102012012011 is a deficient number, since it is larger than the sum of its proper divisors (56828959349).

20102012012011 is a wasteful number, since it uses less digits than its factorization.

20102012012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318405.

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

Adding to 20102012012011 its reverse (11021021020102), we get a palindrome (31123033032113).

The spelling of 20102012012011 in words is "twenty trillion, one hundred two billion, twelve million, twelve thousand, eleven".

Divisors: 1 359 24413 2293633 8764267 823414247 55994462429 20102012012011