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1010010090 = 235373312749
BaseRepresentation
bin111100001100111…
…000011111101010
32121101111211101010
4330030320133222
54032030310330
6244120004350
734012641555
oct7414703752
92541454333
101010010090
11479140591
122423006b6
1313133350b
14981d569c
155da0c3b0
hex3c3387ea

1010010090 has 64 divisors (see below), whose sum is σ = 2497968000. Its totient is φ = 261169920.

The previous prime is 1010010083. The next prime is 1010010091. The reversal of 1010010090 is 900100101.

It is not an unprimeable number, because it can be changed into a prime (1010010091) 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 31 ways as a sum of consecutive naturals, for example, 366036 + ... + 368784.

It is an arithmetic number, because the mean of its divisors is an integer number (39030750).

Almost surely, 21010010090 is an apocalyptic number.

1010010090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010010090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1248984000).

1010010090 is an abundant number, since it is smaller than the sum of its proper divisors (1487957910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1010010090 is a wasteful number, since it uses less digits than its factorization.

1010010090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 1010010090 is about 31780.6559089016. The cubic root of 1010010090 is about 1003.3256246273.

Adding to 1010010090 its reverse (900100101), we get a palindrome (1910110191).

The spelling of 1010010090 in words is "one billion, ten million, ten thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 331 370 555 662 993 1110 1655 1986 2749 3310 4965 5498 8247 9930 12247 13745 16494 24494 27490 36741 41235 61235 73482 82470 101713 122470 183705 203426 305139 367410 508565 610278 909919 1017130 1525695 1819838 2729757 3051390 4549595 5459514 9099190 13648785 27297570 33667003 67334006 101001009 168335015 202002018 336670030 505005045 1010010090