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1022101012 = 221012529953
BaseRepresentation
bin111100111011000…
…000011000010100
32122020021010000001
4330323000120110
54043124213022
6245231101044
734220500222
oct7473003024
92566233001
101022101012
11484a49689
12246371784
131339a79ca
1499a61b12
155eae9b27
hex3cec0614

1022101012 has 12 divisors (see below), whose sum is σ = 1806387156. Its totient is φ = 505990400.

The previous prime is 1022101007. The next prime is 1022101037. The reversal of 1022101012 is 2101012201.

It can be written as a sum of positive squares in 2 ways, for example, as 473323536 + 548777476 = 21756^2 + 23426^2 .

It is a super-3 number, since 3×10221010123 (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1022101012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264573 + ... + 1265380.

It is an arithmetic number, because the mean of its divisors is an integer number (150532263).

Almost surely, 21022101012 is an apocalyptic number.

It is an amenable number.

1022101012 is a deficient number, since it is larger than the sum of its proper divisors (784286144).

1022101012 is a wasteful number, since it uses less digits than its factorization.

1022101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530058 (or 2530056 counting only the distinct ones).

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

The square root of 1022101012 is about 31970.3145433385. The cubic root of 1022101012 is about 1007.3133879693.

Adding to 1022101012 its reverse (2101012201), we get a palindrome (3123113213).

The spelling of 1022101012 in words is "one billion, twenty-two million, one hundred one thousand, twelve".

Divisors: 1 2 4 101 202 404 2529953 5059906 10119812 255525253 511050506 1022101012