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1012220344 = 234315431907
BaseRepresentation
bin111100010101010…
…100000110111000
32121112200010021101
4330111110012320
54033112022334
6244235221144
734040505502
oct7425240670
92545603241
101012220344
1147a410143
12242ba77b4
13131928565
149860cd72
155dce7214
hex3c5541b8

1012220344 has 32 divisors (see below), whose sum is σ = 1944328320. Its totient is φ = 493760736.

The previous prime is 1012220329. The next prime is 1012220347. The reversal of 1012220344 is 4430222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012220347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529839 + ... + 531745.

It is an arithmetic number, because the mean of its divisors is an integer number (60760260).

Almost surely, 21012220344 is an apocalyptic number.

It is an amenable number.

1012220344 is a deficient number, since it is larger than the sum of its proper divisors (932107976).

1012220344 is a wasteful number, since it uses less digits than its factorization.

1012220344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499 (or 3495 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1012220344 is about 31815.4104798288. The cubic root of 1012220344 is about 1004.0569667628.

Adding to 1012220344 its reverse (4430222101), we get a palindrome (5442442445).

The spelling of 1012220344 in words is "one billion, twelve million, two hundred twenty thousand, three hundred forty-four".

Divisors: 1 2 4 8 43 86 172 344 1543 1907 3086 3814 6172 7628 12344 15256 66349 82001 132698 164002 265396 328004 530792 656008 2942501 5885002 11770004 23540008 126527543 253055086 506110172 1012220344