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1130505620 = 22587764453
BaseRepresentation
bin100001101100010…
…0010010110010100
32220210020122011112
41003120202112110
54303402134440
6304102354152
740005065516
oct10330422624
92823218145
101130505620
11530160672
1227672b958
131502a1b4a
14aa1ddbb6
15693ae965
hex43622594

1130505620 has 24 divisors (see below), whose sum is σ = 2376805704. Its totient is φ = 451679616.

The previous prime is 1130505589. The next prime is 1130505631. The reversal of 1130505620 is 265050311.

1130505620 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 19483396 + 1111022224 = 4414^2 + 33332^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14687 + ... + 49766.

It is an arithmetic number, because the mean of its divisors is an integer number (99033571).

Almost surely, 21130505620 is an apocalyptic number.

1130505620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130505620 is an abundant number, since it is smaller than the sum of its proper divisors (1246300084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1130505620 is a wasteful number, since it uses less digits than its factorization.

1130505620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65339 (or 65337 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1130505620 is about 33622.9924307757. The cubic root of 1130505620 is about 1041.7357663246.

Adding to 1130505620 its reverse (265050311), we get a palindrome (1395555931).

The spelling of 1130505620 in words is "one billion, one hundred thirty million, five hundred five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 877 1754 3508 4385 8770 17540 64453 128906 257812 322265 644530 1289060 56525281 113050562 226101124 282626405 565252810 1130505620