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1012216384 = 2623687647
BaseRepresentation
bin111100010101010…
…011001001000000
32121112122220211201
4330111103021000
54033111411014
6244235150544
734040461114
oct7425231100
92545586751
101012216384
1147a408173
12242ba5454
1313192680a
149860b744
155dce5e74
hex3c553240

1012216384 has 28 divisors (see below), whose sum is σ = 2095951104. Its totient is φ = 484102784.

The previous prime is 1012216349. The next prime is 1012216409. The reversal of 1012216384 is 4836122101.

It is a super-3 number, since 3×10122163843 (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342352 + ... + 345295.

Almost surely, 21012216384 is an apocalyptic number.

It is an amenable number.

1012216384 is an abundant number, since it is smaller than the sum of its proper divisors (1083734720).

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

1012216384 is an equidigital number, since it uses as much as digits as its factorization.

1012216384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687682 (or 687672 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1012216384 is about 31815.3482457760. The cubic root of 1012216384 is about 1004.0556574067.

Adding to 1012216384 its reverse (4836122101), we get a palindrome (5848338485).

The spelling of 1012216384 in words is "one billion, twelve million, two hundred sixteen thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 23 32 46 64 92 184 368 736 1472 687647 1375294 2750588 5501176 11002352 15815881 22004704 31631762 44009408 63263524 126527048 253054096 506108192 1012216384