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1144211412 = 223891071359
BaseRepresentation
bin100010000110011…
…0100011111010100
32221202000221222110
41010030310133110
54320404231122
6305312231020
740232431221
oct10414643724
92852027873
101144211412
11537971a73
1227b23b470
13153090396
14abd6a948
156a6ba90c
hex443347d4

1144211412 has 24 divisors (see below), whose sum is σ = 2699827200. Its totient is φ = 377118016.

The previous prime is 1144211399. The next prime is 1144211423. The reversal of 1144211412 is 2141124411.

It is a nude number because it is divisible by every one of its digits.

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, 534612 + ... + 536747.

It is an arithmetic number, because the mean of its divisors is an integer number (112492800).

Almost surely, 21144211412 is an apocalyptic number.

1144211412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144211412 is an abundant number, since it is smaller than the sum of its proper divisors (1555615788).

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

1144211412 is a wasteful number, since it uses less digits than its factorization.

1144211412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071455 (or 1071453 counting only the distinct ones).

The product of its digits is 256, while the sum is 21.

The square root of 1144211412 is about 33826.1941696077. The cubic root of 1144211412 is about 1045.9287278680.

Adding to 1144211412 its reverse (2141124411), we get a palindrome (3285335823).

The spelling of 1144211412 in words is "one billion, one hundred forty-four million, two hundred eleven thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 1071359 2142718 3214077 4285436 6428154 12856308 95350951 190701902 286052853 381403804 572105706 1144211412