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1103968481 = 73111012897
BaseRepresentation
bin100000111001101…
…0011100011100001
32211221022102001112
41001303103203201
54230103442411
6301313513105
736233402000
oct10163234341
92757272045
101103968481
11517185950
12269872795
131479400b5
14a6892c37
1566dbbb8b
hex41cd38e1

1103968481 has 32 divisors (see below), whose sum is σ = 1418860800. Its totient is φ = 851424000.

The previous prime is 1103968391. The next prime is 1103968487. The reversal of 1103968481 is 1848693011.

It is not a de Polignac number, because 1103968481 - 210 = 1103967457 is a prime.

It is a super-2 number, since 2×11039684812 = 2437492814082894722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1103968487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379625 + ... + 382521.

It is an arithmetic number, because the mean of its divisors is an integer number (44339400).

Almost surely, 21103968481 is an apocalyptic number.

1103968481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1103968481 is a deficient number, since it is larger than the sum of its proper divisors (314892319).

1103968481 is a wasteful number, since it uses less digits than its factorization.

1103968481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030 (or 3016 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 1103968481 is about 33226.0211430740. The cubic root of 1103968481 is about 1033.5200146825.

The spelling of 1103968481 in words is "one billion, one hundred three million, nine hundred sixty-eight thousand, four hundred eighty-one".

Divisors: 1 7 11 49 77 101 343 539 707 1111 2897 3773 4949 7777 20279 31867 34643 54439 141953 223069 292597 381073 993671 1561483 2048179 3218567 10930381 14337253 22529969 100360771 157709783 1103968481