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1163110420 = 225173420913
BaseRepresentation
bin100010101010011…
…1010100000010100
310000001121010112201
41011110322200110
54340224013140
6311225254244
740552163323
oct10524724024
93001533481
101163110420
1154760008a
12285634384
13156c79624
14b068a0ba
156c1a049a
hex4553a814

1163110420 has 24 divisors (see below), whose sum is σ = 2586210984. Its totient is φ = 437876736.

The previous prime is 1163110393. The next prime is 1163110433. The reversal of 1163110420 is 240113611.

It can be written as a sum of positive squares in 4 ways, for example, as 41396356 + 1121714064 = 6434^2 + 33492^2 .

It is a super-2 number, since 2×11631104202 = 2705651698225152800, which contains 22 as substring.

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, 1710117 + ... + 1710796.

It is an arithmetic number, because the mean of its divisors is an integer number (107758791).

Almost surely, 21163110420 is an apocalyptic number.

1163110420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1163110420 is an abundant number, since it is smaller than the sum of its proper divisors (1423100564).

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

1163110420 is a wasteful number, since it uses less digits than its factorization.

1163110420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420939 (or 3420937 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1163110420 is about 34104.4047008594. The cubic root of 1163110420 is about 1051.6558665137.

The spelling of 1163110420 in words is "one billion, one hundred sixty-three million, one hundred ten thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 3420913 6841826 13683652 17104565 34209130 58155521 68418260 116311042 232622084 290777605 581555210 1163110420