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2010013021 = 19121786927
BaseRepresentation
bin111011111001110…
…0101110101011101
312012002012020111201
41313303211311131
513104030404041
6531241315501
7100544554162
oct16763456535
95162166451
102010013021
11941666595
12481195b91
13260571b23
14150d44069
15bb6de631
hex77ce5d5d

2010013021 has 8 divisors (see below), whose sum is σ = 2117566080. Its totient is φ = 1902636288.

The previous prime is 2010013001. The next prime is 2010013039. The reversal of 2010013021 is 1203100102.

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

It is not a de Polignac number, because 2010013021 - 25 = 2010012989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010012989 and 2010013007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010013001) 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, 20341 + ... + 66586.

It is an arithmetic number, because the mean of its divisors is an integer number (264695760).

Almost surely, 22010013021 is an apocalyptic number.

It is an amenable number.

2010013021 is a deficient number, since it is larger than the sum of its proper divisors (107553059).

2010013021 is a wasteful number, since it uses less digits than its factorization.

2010013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88163.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2010013021 is about 44833.1687593014. The cubic root of 2010013021 is about 1262.0201533765.

Adding to 2010013021 its reverse (1203100102), we get a palindrome (3213113123).

The spelling of 2010013021 in words is "two billion, ten million, thirteen thousand, twenty-one".

Divisors: 1 19 1217 23123 86927 1651613 105790159 2010013021