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1140213412 = 221321927181
BaseRepresentation
bin100001111110110…
…0100011010100100
32221110111211202101
41003331210122210
54313343312122
6305050421444
740153440232
oct10375443244
92843454671
101140213412
11535691238
12279a31884
131522c06c0
14ab609952
156a17b027
hex43f646a4

1140213412 has 12 divisors (see below), whose sum is σ = 2148863836. Its totient is φ = 526252320.

The previous prime is 1140213401. The next prime is 1140213461. The reversal of 1140213412 is 2143120411.

It can be written as a sum of positive squares in 2 ways, for example, as 679853476 + 460359936 = 26074^2 + 21456^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1140213412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10963539 + ... + 10963642.

Almost surely, 21140213412 is an apocalyptic number.

It is an amenable number.

1140213412 is a deficient number, since it is larger than the sum of its proper divisors (1008650424).

1140213412 is a wasteful number, since it uses less digits than its factorization.

1140213412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21927198 (or 21927196 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1140213412 is about 33767.0462433420. The cubic root of 1140213412 is about 1044.7091097578.

Adding to 1140213412 its reverse (2143120411), we get a palindrome (3283333823).

The spelling of 1140213412 in words is "one billion, one hundred forty million, two hundred thirteen thousand, four hundred twelve".

Divisors: 1 2 4 13 26 52 21927181 43854362 87708724 285053353 570106706 1140213412