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1010010111 = 31122782397
BaseRepresentation
bin111100001100111…
…000011111111111
32121101111211101220
4330030320133333
54032030310421
6244120004423
734012641615
oct7414703777
92541454356
101010010111
11479140600
12242300713
13131333526
14981d56b5
155da0c3c6
hex3c3387ff

1010010111 has 12 divisors (see below), whose sum is σ = 1480235736. Its totient is φ = 612127120.

The previous prime is 1010010091. The next prime is 1010010143. The reversal of 1010010111 is 1110100101.

It is not a de Polignac number, because 1010010111 - 29 = 1010009599 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1010010111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010010161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1390836 + ... + 1391561.

It is an arithmetic number, because the mean of its divisors is an integer number (123352978).

Almost surely, 21010010111 is an apocalyptic number.

1010010111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1010010111 is a deficient number, since it is larger than the sum of its proper divisors (470225625).

1010010111 is a wasteful number, since it uses less digits than its factorization.

1010010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782422 (or 2782411 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 6.

The square root of 1010010111 is about 31780.6562392912. The cubic root of 1010010111 is about 1003.3256315810.

Adding to 1010010111 its reverse (1110100101), we get a palindrome (2120110212).

It can be divided in two parts, 10100101 and 11, that multiplied together give a palindrome (111101111).

The spelling of 1010010111 in words is "one billion, ten million, ten thousand, one hundred eleven".