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1103681868 = 22391973489
BaseRepresentation
bin100000111001000…
…1101100101001100
32211220202211220020
41001302031211030
54230020304433
6301303422140
736231066252
oct10162154514
92756684806
101103681868
11516aaa583
12269754950
1314786c7c3
14a681a5d2
1566d61cb3
hex41c8d94c

1103681868 has 12 divisors (see below), whose sum is σ = 2575257720. Its totient is φ = 367893952.

The previous prime is 1103681833. The next prime is 1103681879. The reversal of 1103681868 is 8681863011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×11036818682 = 2436227331503938848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45986733 + ... + 45986756.

It is an arithmetic number, because the mean of its divisors is an integer number (214604810).

Almost surely, 21103681868 is an apocalyptic number.

It is an amenable number.

1103681868 is an abundant number, since it is smaller than the sum of its proper divisors (1471575852).

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

1103681868 is a wasteful number, since it uses less digits than its factorization.

1103681868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91973496 (or 91973494 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 1103681868 is about 33221.7077827134. The cubic root of 1103681868 is about 1033.4305658997.

The spelling of 1103681868 in words is "one billion, one hundred three million, six hundred eighty-one thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 91973489 183946978 275920467 367893956 551840934 1103681868