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1109291513 = 11401251483
BaseRepresentation
bin100001000011110…
…0111000111111001
32212022022211212212
41002013213013321
54232434312023
6302023544505
736326552021
oct10207470771
92768284785
101109291513
1151a191150
1226b5bb135
13148a84c15
14a747aa81
15675bde78
hex421e71f9

1109291513 has 8 divisors (see below), whose sum is σ = 1213158816. Its totient is φ = 1005928000.

The previous prime is 1109291501. The next prime is 1109291581. The reversal of 1109291513 is 3151929011.

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

It is not a de Polignac number, because 1109291513 - 210 = 1109290489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1109291513.

It is not an unprimeable number, because it can be changed into a prime (1109291593) 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, 121331 + ... + 130152.

It is an arithmetic number, because the mean of its divisors is an integer number (151644852).

Almost surely, 21109291513 is an apocalyptic number.

It is an amenable number.

1109291513 is a deficient number, since it is larger than the sum of its proper divisors (103867303).

1109291513 is a wasteful number, since it uses less digits than its factorization.

1109291513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251895.

The product of its (nonzero) digits is 2430, while the sum is 32.

The square root of 1109291513 is about 33306.0281780941. The cubic root of 1109291513 is about 1035.1784682948.

The spelling of 1109291513 in words is "one billion, one hundred nine million, two hundred ninety-one thousand, five hundred thirteen".

Divisors: 1 11 401 4411 251483 2766313 100844683 1109291513