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1320001024 = 2912911997
BaseRepresentation
bin100111010101101…
…1001111000000000
310101222210222222211
41032223121320000
510200410013044
6334552111504
744465552326
oct11653317000
93358728884
101320001024
11618119341
1230a095594
1318061b9c4
14c7449d16
157ad41634
hex4ead9e00

1320001024 has 40 divisors (see below), whose sum is σ = 2640788568. Its totient is φ = 659159040.

The previous prime is 1320001013. The next prime is 1320001037. The reversal of 1320001024 is 4201000231.

It is a super-2 number, since 2×13200010242 = 3484805406722097152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320000995 and 1320001013.

It is a congruent number.

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, 659994 + ... + 661990.

Almost surely, 21320001024 is an apocalyptic number.

It is an amenable number.

1320001024 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1320001024 is an equidigital number, since it uses as much as digits as its factorization.

1320001024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306 (or 3290 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1320001024 is about 36331.8183415034. The cubic root of 1320001024 is about 1096.9615941451.

Adding to 1320001024 its reverse (4201000231), we get a palindrome (5521001255).

The spelling of 1320001024 in words is "one billion, three hundred twenty million, one thousand, twenty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 1291 1997 2582 3994 5164 7988 10328 15976 20656 31952 41312 63904 82624 127808 165248 255616 330496 511232 660992 1022464 2578127 5156254 10312508 20625016 41250032 82500064 165000128 330000256 660000512 1320001024