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1020132223 = 11787117839
BaseRepresentation
bin111100110011011…
…111101101111111
32122002120002022221
4330303133231333
54042123212343
6245120550211
734164660265
oct7463375577
92562502287
101020132223
11483924490
12245782367
13133468846
14996ac435
155e85b5ed
hex3ccdfb7f

1020132223 has 8 divisors (see below), whose sum is σ = 1114295040. Its totient is φ = 926206680.

The previous prime is 1020132161. The next prime is 1020132251. The reversal of 1020132223 is 3222310201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1020132223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020132197 and 1020132206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020132263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50263 + ... + 67576.

It is an arithmetic number, because the mean of its divisors is an integer number (139286880).

Almost surely, 21020132223 is an apocalyptic number.

1020132223 is a deficient number, since it is larger than the sum of its proper divisors (94162817).

1020132223 is a wasteful number, since it uses less digits than its factorization.

1020132223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118637.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1020132223 is about 31939.5088096232. The cubic root of 1020132223 is about 1006.6662039796. Note that the first 3 decimals are identical.

Adding to 1020132223 its reverse (3222310201), we get a palindrome (4242442424).

It can be divided in two parts, 10201 and 32223, that added together give a palindrome (42424).

The spelling of 1020132223 in words is "one billion, twenty million, one hundred thirty-two thousand, two hundred twenty-three".

Divisors: 1 11 787 8657 117839 1296229 92739293 1020132223