Search a number
-
+
1230132033 = 321312782787
BaseRepresentation
bin100100101010010…
…0101001101000001
310011201201011220200
41021110211031001
510004403211113
6322021555413
742324643524
oct11124451501
93151634820
101230132033
11581417449
122a3b75b69
13167b145a0
14b9534bbb
1572edd873
hex49525341

1230132033 has 24 divisors (see below), whose sum is σ = 1928629248. Its totient is φ = 751034592.

The previous prime is 1230132011. The next prime is 1230132037. The reversal of 1230132033 is 3302310321.

1230132033 is a `hidden beast` number, since 12 + 301 + 320 + 33 = 666.

It is not a de Polignac number, because 1230132033 - 29 = 1230131521 is a prime.

It is a super-2 number, since 2×12301320332 = 3026449637225426178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1230131997 and 1230132015.

It is not an unprimeable number, because it can be changed into a prime (1230132037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26535 + ... + 56252.

It is an arithmetic number, because the mean of its divisors is an integer number (80359552).

Almost surely, 21230132033 is an apocalyptic number.

1230132033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1230132033 is a deficient number, since it is larger than the sum of its proper divisors (698497215).

1230132033 is a wasteful number, since it uses less digits than its factorization.

1230132033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82933 (or 82930 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1230132033 is about 35073.2381310879. The cubic root of 1230132033 is about 1071.4796058815.

Adding to 1230132033 its reverse (3302310321), we get a palindrome (4532442354).

The spelling of 1230132033 in words is "one billion, two hundred thirty million, one hundred thirty-two thousand, thirty-three".

Divisors: 1 3 9 13 39 117 127 381 1143 1651 4953 14859 82787 248361 745083 1076231 3228693 9686079 10513949 31541847 94625541 136681337 410044011 1230132033