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1022001112 = 231111613649
BaseRepresentation
bin111100111010100…
…111111111011000
32122020002000222001
4330322213333120
54043113013422
6245225010344
734216603036
oct7472477730
92566060861
101022001112
11484990620
122463239b4
131339713b2
1499a37556
155eaca227
hex3cea7fd8

1022001112 has 16 divisors (see below), whose sum is σ = 2090457000. Its totient is φ = 464545920.

The previous prime is 1022001109. The next prime is 1022001119. The reversal of 1022001112 is 2111002201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022001119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5806737 + ... + 5806912.

Almost surely, 21022001112 is an apocalyptic number.

It is an amenable number.

1022001112 is an abundant number, since it is smaller than the sum of its proper divisors (1068455888).

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

1022001112 is a wasteful number, since it uses less digits than its factorization.

1022001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11613666 (or 11613662 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1022001112 is about 31968.7521182795. The cubic root of 1022001112 is about 1007.2805686801.

Adding to 1022001112 its reverse (2111002201), we get a palindrome (3133003313).

The spelling of 1022001112 in words is "one billion, twenty-two million, one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 11613649 23227298 46454596 92909192 127750139 255500278 511000556 1022001112