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1103968943 = 71125755787
BaseRepresentation
bin100000111001101…
…0011101010101111
32211221022102200122
41001303103222233
54230104001233
6301313515155
736233403230
oct10163235257
92757272618
101103968943
11517186230
12269872abb
1314794037c
14a6893087
1566dbbd98
hex41cd3aaf

1103968943 has 16 divisors (see below), whose sum is σ = 1381757184. Its totient is φ = 856872960.

The previous prime is 1103968939. The next prime is 1103968949. The reversal of 1103968943 is 3498693011.

It is a cyclic number.

It is not a de Polignac number, because 1103968943 - 22 = 1103968939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103968894 and 1103968903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103968949) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8105 + ... + 47682.

It is an arithmetic number, because the mean of its divisors is an integer number (86359824).

Almost surely, 21103968943 is an apocalyptic number.

1103968943 is a deficient number, since it is larger than the sum of its proper divisors (277788241).

1103968943 is a wasteful number, since it uses less digits than its factorization.

1103968943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56062.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1103968943 is about 33226.0280954555. The cubic root of 1103968943 is about 1033.5201588551.

The spelling of 1103968943 in words is "one billion, one hundred three million, nine hundred sixty-eight thousand, nine hundred forty-three".

Divisors: 1 7 11 77 257 1799 2827 19789 55787 390509 613657 4295599 14337259 100360813 157709849 1103968943