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1022213011 = 4721749213
BaseRepresentation
bin111100111011011…
…011101110010011
32122020110210122011
4330323123232103
54043141304021
6245233323351
734221444601
oct7473335623
92566423564
101022213011
11485015846
12246406557
13133a16991
1499a90871
155eb1cde1
hex3cedbb93

1022213011 has 4 divisors (see below), whose sum is σ = 1043962272. Its totient is φ = 1000463752.

The previous prime is 1022212981. The next prime is 1022213039. The reversal of 1022213011 is 1103122201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1022213011 is a prime.

It is a super-2 number, since 2×10222130112 = 2089838879715372242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022212982 and 1022213000.

It is not an unprimeable number, because it can be changed into a prime (1022213041) 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, 10874560 + ... + 10874653.

It is an arithmetic number, because the mean of its divisors is an integer number (260990568).

Almost surely, 21022213011 is an apocalyptic number.

1022213011 is a deficient number, since it is larger than the sum of its proper divisors (21749261).

1022213011 is an equidigital number, since it uses as much as digits as its factorization.

1022213011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21749260.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1022213011 is about 31972.0661046483. The cubic root of 1022213011 is about 1007.3501794965.

Adding to 1022213011 its reverse (1103122201), we get a palindrome (2125335212).

The spelling of 1022213011 in words is "one billion, twenty-two million, two hundred thirteen thousand, eleven".

Divisors: 1 47 21749213 1022213011