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1068240816 = 243247157837
BaseRepresentation
bin111111101011000…
…000111110110000
32202110002020220200
4333223000332300
54141432201231
6254000035200
735320616466
oct7753007660
92673066820
101068240816
114a8aa3155
12259902b00
13140411076
14a1c32836
1563bb0be6
hex3fac0fb0

1068240816 has 60 divisors (see below), whose sum is σ = 3053218272. Its totient is φ = 348501888.

The previous prime is 1068240757. The next prime is 1068240821. The reversal of 1068240816 is 6180428601.

It is a super-2 number, since 2×10682408162 = 2282276881936691712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72151 + ... + 85686.

Almost surely, 21068240816 is an apocalyptic number.

1068240816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1068240816 is an abundant number, since it is smaller than the sum of its proper divisors (1984977456).

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

1068240816 is a wasteful number, since it uses less digits than its factorization.

1068240816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157898 (or 157889 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1068240816 is about 32683.9534940313. The cubic root of 1068240816 is about 1022.2482817623.

The spelling of 1068240816 in words is "one billion, sixty-eight million, two hundred forty thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 47 48 72 94 141 144 188 282 376 423 564 752 846 1128 1692 2256 3384 6768 157837 315674 473511 631348 947022 1262696 1420533 1894044 2525392 2841066 3788088 5682132 7418339 7576176 11364264 14836678 22255017 22728528 29673356 44510034 59346712 66765051 89020068 118693424 133530102 178040136 267060204 356080272 534120408 1068240816