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1130511312 = 243271121539
BaseRepresentation
bin100001101100010…
…0011101111010000
32220210020220222100
41003120203233100
54303402330222
6304102440400
740005121230
oct10330435720
92823226870
101130511312
11530164977
12276733100
131502a4608
14aa201cc0
15693b14ac
hex43623bd0

1130511312 has 60 divisors (see below), whose sum is σ = 3615844960. Its totient is φ = 323002944.

The previous prime is 1130511311. The next prime is 1130511337. The reversal of 1130511312 is 2131150311.

It is a super-2 number, since 2×11305113122 = 2556111653119922688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130511311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559762 + ... + 561777.

Almost surely, 21130511312 is an apocalyptic number.

1130511312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1130511312 is an abundant number, since it is smaller than the sum of its proper divisors (2485333648).

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

1130511312 is a wasteful number, since it uses less digits than its factorization.

1130511312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121560 (or 1121551 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1130511312 is about 33623.0770751280. The cubic root of 1130511312 is about 1041.7375146721.

Adding to 1130511312 its reverse (2131150311), we get a palindrome (3261661623).

The spelling of 1130511312 in words is "one billion, one hundred thirty million, five hundred eleven thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 1121539 2243078 3364617 4486156 6729234 7850773 8972312 10093851 13458468 15701546 17944624 20187702 23552319 26916936 31403092 40375404 47104638 53833872 62806184 70656957 80750808 94209276 125612368 141313914 161501616 188418552 282627828 376837104 565255656 1130511312