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1140512213 = 8315787523
BaseRepresentation
bin100001111111010…
…1101010111010101
32221111002000122002
41003332231113111
54313432342323
6305101045045
740156123331
oct10376552725
92844060562
101140512213
11535875785
12279b56785
131523966c9
14ab6867c1
156a1d9828
hex43fad5d5

1140512213 has 8 divisors (see below), whose sum is σ = 1161618528. Its totient is φ = 1119581424.

The previous prime is 1140512209. The next prime is 1140512239. The reversal of 1140512213 is 3122150411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1140512213 - 22 = 1140512209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140512273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30731 + ... + 56792.

It is an arithmetic number, because the mean of its divisors is an integer number (145202316).

Almost surely, 21140512213 is an apocalyptic number.

It is an amenable number.

1140512213 is a deficient number, since it is larger than the sum of its proper divisors (21106315).

1140512213 is an equidigital number, since it uses as much as digits as its factorization.

1140512213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87763.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1140512213 is about 33771.4704003246. The cubic root of 1140512213 is about 1044.8003595945.

Adding to 1140512213 its reverse (3122150411), we get a palindrome (4262662624).

The spelling of 1140512213 in words is "one billion, one hundred forty million, five hundred twelve thousand, two hundred thirteen".

Divisors: 1 83 157 13031 87523 7264409 13741111 1140512213