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1068812048 = 243110320921
BaseRepresentation
bin111111101101001…
…100011100010000
32202111011021111102
4333231030130100
54142103441143
6254020203532
735325516053
oct7755143420
92674137442
101068812048
114a9353347
12259b395a8
13140581085
14a1d40a9a
1563c750b8
hex3fb4c710

1068812048 has 40 divisors (see below), whose sum is σ = 2158480896. Its totient is φ = 512121600.

The previous prime is 1068812011. The next prime is 1068812089. The reversal of 1068812048 is 8402188601.

It is a super-2 number, since 2×10688120482 = 2284718387899908608, 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, 40628 + ... + 61548.

Almost surely, 21068812048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1068812048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079240448).

1068812048 is an abundant number, since it is smaller than the sum of its proper divisors (1089668848).

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

1068812048 is a wasteful number, since it uses less digits than its factorization.

1068812048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21063 (or 21057 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 1068812048 is about 32692.6910486121. The cubic root of 1068812048 is about 1022.4304619309.

The spelling of 1068812048 in words is "one billion, sixty-eight million, eight hundred twelve thousand, forty-eight".

Divisors: 1 2 4 8 16 31 62 103 124 206 248 412 496 824 1648 3193 6386 12772 20921 25544 41842 51088 83684 167368 334736 648551 1297102 2154863 2594204 4309726 5188408 8619452 10376816 17238904 34477808 66800753 133601506 267203012 534406024 1068812048