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2010981106 = 21005490553
BaseRepresentation
bin111011111011101…
…0010001011110010
312012011000102110201
41313313102023302
513104302343411
6531314145414
7100556025451
oct16767221362
95164012421
102010981106
11942167962
1248158226a
13260820664
14151116b98
15bb8313c1
hex77dd22f2

2010981106 has 4 divisors (see below), whose sum is σ = 3016471662. Its totient is φ = 1005490552.

The previous prime is 2010981073. The next prime is 2010981107. The reversal of 2010981106 is 6011890102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6011890102 = 23005945051.

It can be written as a sum of positive squares in only one way, i.e., 1405575081 + 605406025 = 37491^2 + 24605^2 .

It is not an unprimeable number, because it can be changed into a prime (2010981107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502745275 + ... + 502745278.

Almost surely, 22010981106 is an apocalyptic number.

2010981106 is a deficient number, since it is larger than the sum of its proper divisors (1005490556).

2010981106 is a wasteful number, since it uses less digits than its factorization.

2010981106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005490555.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 2010981106 is about 44843.9639862490. The cubic root of 2010981106 is about 1262.2227302879. Note that the first 3 decimals are identical.

The spelling of 2010981106 in words is "two billion, ten million, nine hundred eighty-one thousand, one hundred six".

Divisors: 1 2 1005490553 2010981106