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2106145190 = 25239299857
BaseRepresentation
bin111110110001001…
…0011100110100110
312102210002021001102
41331202103212212
513303133121230
6544554000102
7103122636662
oct17542234646
95383067042
102106145190
11990956066
124a9416032
1327745cc76
1415da098a2
15c4d7d045
hex7d8939a6

2106145190 has 32 divisors (see below), whose sum is σ = 3960550080. Its totient is φ = 804880384.

The previous prime is 2106145187. The next prime is 2106145199. The reversal of 2106145190 is 915416012.

It is a super-2 number, since 2×21061451902 = 8871695122720272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106145199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208742 + ... + 218598.

It is an arithmetic number, because the mean of its divisors is an integer number (123767190).

Almost surely, 22106145190 is an apocalyptic number.

2106145190 is a deficient number, since it is larger than the sum of its proper divisors (1854404890).

2106145190 is a wasteful number, since it uses less digits than its factorization.

2106145190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10816.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 2106145190 is about 45892.7574896083. The cubic root of 2106145190 is about 1281.8270600202.

The spelling of 2106145190 in words is "two billion, one hundred six million, one hundred forty-five thousand, one hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 929 1858 4645 9290 9857 19714 21367 42734 49285 98570 106835 213670 226711 453422 1133555 2267110 9157153 18314306 45785765 91571530 210614519 421229038 1053072595 2106145190