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1111345689 = 31850320021
BaseRepresentation
bin100001000111101…
…1100101000011001
32212110012012200110
41002033130220121
54234001030224
6302135554533
736353165616
oct10217345031
92773165613
101111345689
11520364513
1227022ba49
13149323bcc
14a785350d
1567877929
hex423dca19

1111345689 has 8 divisors (see below), whose sum is σ = 1481948352. Its totient is φ = 740820080.

The previous prime is 1111345679. The next prime is 1111345721. The reversal of 1111345689 is 9865431111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111345689 - 25 = 1111345657 is a prime.

It is a super-3 number, since 3×11113456893 (a number of 28 digits) contains 333 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1111345619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45499 + ... + 65519.

It is an arithmetic number, because the mean of its divisors is an integer number (185243544).

Almost surely, 21111345689 is an apocalyptic number.

It is an amenable number.

1111345689 is a deficient number, since it is larger than the sum of its proper divisors (370602663).

1111345689 is a wasteful number, since it uses less digits than its factorization.

1111345689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38527.

The product of its digits is 25920, while the sum is 39.

The square root of 1111345689 is about 33336.8518159709. The cubic root of 1111345689 is about 1035.8170523266.

The spelling of 1111345689 in words is "one billion, one hundred eleven million, three hundred forty-five thousand, six hundred eighty-nine".

Divisors: 1 3 18503 20021 55509 60063 370448563 1111345689