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1130875645 = 5613707789
BaseRepresentation
bin100001101100111…
…1100101011111101
32220210221102202011
41003121330223331
54304001010040
6304114331221
740011166354
oct10331745375
92823842664
101130875645
11530393679
12276889b11
131503a13b3
14aa29899b
15694343ea
hex4367cafd

1130875645 has 8 divisors (see below), whose sum is σ = 1379297880. Its totient is φ = 889869120.

The previous prime is 1130875643. The next prime is 1130875651. The reversal of 1130875645 is 5465780311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 102454884 + 1028420761 = 10122^2 + 32069^2 .

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

It is not a de Polignac number, because 1130875645 - 21 = 1130875643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1130875598 and 1130875607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130875643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853590 + ... + 1854199.

It is an arithmetic number, because the mean of its divisors is an integer number (172412235).

Almost surely, 21130875645 is an apocalyptic number.

It is an amenable number.

1130875645 is a deficient number, since it is larger than the sum of its proper divisors (248422235).

1130875645 is an equidigital number, since it uses as much as digits as its factorization.

1130875645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707855.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 1130875645 is about 33628.4945396014. The cubic root of 1130875645 is about 1041.8494105271.

The spelling of 1130875645 in words is "one billion, one hundred thirty million, eight hundred seventy-five thousand, six hundred forty-five".

Divisors: 1 5 61 305 3707789 18538945 226175129 1130875645