Search a number
-
+
1211130032 = 247103104987
BaseRepresentation
bin100100000110000…
…0110000010110000
310010101221210001212
41020030012002300
54440022130112
6320102415252
742004302230
oct11014060260
93111853055
101211130032
11571718a12
12299731528
13163bc04b8
14b6bc9cc0
15714d8522
hex483060b0

1211130032 has 40 divisors (see below), whose sum is σ = 2707850496. Its totient is φ = 514011456.

The previous prime is 1211130023. The next prime is 1211130049. The reversal of 1211130032 is 2300311121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1211129989 and 1211130016.

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, 40958 + ... + 64029.

Almost surely, 21211130032 is an apocalyptic number.

It is an amenable number.

1211130032 is an abundant number, since it is smaller than the sum of its proper divisors (1496720464).

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

1211130032 is a wasteful number, since it uses less digits than its factorization.

1211130032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105105 (or 105099 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1211130032 is about 34801.2935391775. The cubic root of 1211130032 is about 1065.9338593452.

Adding to 1211130032 its reverse (2300311121), we get a palindrome (3511441153).

The spelling of 1211130032 in words is "one billion, two hundred eleven million, one hundred thirty thousand, thirty-two".

Divisors: 1 2 4 7 8 14 16 28 56 103 112 206 412 721 824 1442 1648 2884 5768 11536 104987 209974 419948 734909 839896 1469818 1679792 2939636 5879272 10813661 11758544 21627322 43254644 75695627 86509288 151391254 173018576 302782508 605565016 1211130032