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1368943168 = 26371394159
BaseRepresentation
bin101000110011000…
…0110101001000000
310112101220111222211
41101212012221000
510300422140133
6343501111504
745631552645
oct12146065100
93471814884
101368943168
1164280729a
12322558594
1318a7c6758
14cdb49dcc
15802acbcd
hex51986a40

1368943168 has 56 divisors (see below), whose sum is σ = 2810662400. Its totient is φ = 661022208.

The previous prime is 1368943123. The next prime is 1368943183. The reversal of 1368943168 is 8613498631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327073 + ... + 331231.

It is an arithmetic number, because the mean of its divisors is an integer number (50190400).

Almost surely, 21368943168 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 1368943168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405331200).

1368943168 is an abundant number, since it is smaller than the sum of its proper divisors (1441719232).

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

1368943168 is a wasteful number, since it uses less digits than its factorization.

1368943168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347 (or 4337 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The square root of 1368943168 is about 36999.2319920292. The cubic root of 1368943168 is about 1110.3548815226.

The spelling of 1368943168 in words is "one billion, three hundred sixty-eight million, nine hundred forty-three thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 32 37 64 74 139 148 278 296 556 592 1112 1184 2224 2368 4159 4448 5143 8318 8896 10286 16636 20572 33272 41144 66544 82288 133088 153883 164576 266176 307766 329152 578101 615532 1156202 1231064 2312404 2462128 4624808 4924256 9249616 9848512 18499232 21389737 36998464 42779474 85558948 171117896 342235792 684471584 1368943168