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1068911888 = 241143141241
BaseRepresentation
bin111111101101100…
…100110100010000
32202111100100110012
4333231210310100
54142120140023
6254022254052
735326413122
oct7755446420
92674310405
101068911888
114a9411360
12259b87328
131405b7655
14a1d69212
1563c94978
hex3fb64d10

1068911888 has 40 divisors (see below), whose sum is σ = 2311849056. Its totient is φ = 474566400.

The previous prime is 1068911869. The next prime is 1068911927. The reversal of 1068911888 is 8881198601.

It is a happy number.

It is a super-2 number, since 2×10689118882 = 2285145248615449088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63053 + ... + 78188.

Almost surely, 21068911888 is an apocalyptic number.

It is an amenable number.

1068911888 is an abundant number, since it is smaller than the sum of its proper divisors (1242937168).

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

1068911888 is a wasteful number, since it uses less digits than its factorization.

1068911888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141303 (or 141297 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 50.

The square root of 1068911888 is about 32694.2179597555. The cubic root of 1068911888 is about 1022.4622967389.

The spelling of 1068911888 in words is "one billion, sixty-eight million, nine hundred eleven thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 11 16 22 43 44 86 88 172 176 344 473 688 946 1892 3784 7568 141241 282482 564964 1129928 1553651 2259856 3107302 6073363 6214604 12146726 12429208 24293452 24858416 48586904 66806993 97173808 133613986 267227972 534455944 1068911888