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1120312312 = 237731791531
BaseRepresentation
bin100001011000110…
…1001101111111000
32220002001202120121
41002301221233320
54243244443222
6303100103024
736522332440
oct10261515770
92802052517
101120312312
11525429249
12273234a74
1314b1432c2
14a8b09120
15685495c7
hex42c69bf8

1120312312 has 64 divisors (see below), whose sum is σ = 2448748800. Its totient is φ = 470603520.

The previous prime is 1120312243. The next prime is 1120312343. The reversal of 1120312312 is 2132130211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730987 + ... + 732517.

It is an arithmetic number, because the mean of its divisors is an integer number (38261700).

Almost surely, 21120312312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120312312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224374400).

1120312312 is an abundant number, since it is smaller than the sum of its proper divisors (1328436488).

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

1120312312 is a wasteful number, since it uses less digits than its factorization.

1120312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1120312312 is about 33471.0667890941. The cubic root of 1120312312 is about 1038.5953398646.

Adding to 1120312312 its reverse (2132130211), we get a palindrome (3252442523).

The spelling of 1120312312 in words is "one billion, one hundred twenty million, three hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 73 146 179 292 358 511 584 716 1022 1253 1432 1531 2044 2506 3062 4088 5012 6124 10024 10717 12248 13067 21434 26134 42868 52268 85736 91469 104536 111763 182938 223526 274049 365876 447052 548098 731752 782341 894104 1096196 1564682 1918343 2192392 3129364 3836686 6258728 7673372 15346744 20005577 40011154 80022308 140039039 160044616 280078078 560156156 1120312312