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1013220422 = 2506610211
BaseRepresentation
bin111100011001001…
…000010001000110
32121121112221010022
4330121020101012
54033341023142
6244312455142
734052142254
oct7431102106
92547487108
101013220422
1147aa33555
122433aa4b2
13131bb8816
14987cd5d4
155de436d2
hex3c648446

1013220422 has 4 divisors (see below), whose sum is σ = 1519830636. Its totient is φ = 506610210.

The previous prime is 1013220421. The next prime is 1013220427. The reversal of 1013220422 is 2240223101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2240223101 = 19117906479.

It is a self number, because there is not a number n which added to its sum of digits gives 1013220422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013220421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253305104 + ... + 253305107.

It is an arithmetic number, because the mean of its divisors is an integer number (379957659).

Almost surely, 21013220422 is an apocalyptic number.

1013220422 is a deficient number, since it is larger than the sum of its proper divisors (506610214).

1013220422 is an equidigital number, since it uses as much as digits as its factorization.

1013220422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506610213.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1013220422 is about 31831.1234800156. The cubic root of 1013220422 is about 1004.3875287707.

Adding to 1013220422 its reverse (2240223101), we get a palindrome (3253443523).

The spelling of 1013220422 in words is "one billion, thirteen million, two hundred twenty thousand, four hundred twenty-two".

Divisors: 1 2 506610211 1013220422