Search a number
-
+
1231033004 = 22715942989
BaseRepresentation
bin100100101100000…
…0001001010101100
310011210101221210222
41021120001022230
510010121024004
6322053150512
742335415335
oct11130011254
93153357728
101231033004
11581982353
122a432b438
1316806b6c6
14b96cb28c
157311a7be
hex496012ac

1231033004 has 12 divisors (see below), whose sum is σ = 2154658800. Its totient is φ = 615416208.

The previous prime is 1231032997. The next prime is 1231033007. The reversal of 1231033004 is 4003301321.

It is a happy number.

It is a super-4 number, since 4×12310330044 (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1231033007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7142 + ... + 50130.

It is an arithmetic number, because the mean of its divisors is an integer number (179554900).

Almost surely, 21231033004 is an apocalyptic number.

It is an amenable number.

1231033004 is a deficient number, since it is larger than the sum of its proper divisors (923625796).

1231033004 is a wasteful number, since it uses less digits than its factorization.

1231033004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50152 (or 50150 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1231033004 is about 35086.0799178250. The cubic root of 1231033004 is about 1071.7411324051.

Adding to 1231033004 its reverse (4003301321), we get a palindrome (5234334325).

The spelling of 1231033004 in words is "one billion, two hundred thirty-one million, thirty-three thousand, four".

Divisors: 1 2 4 7159 14318 28636 42989 85978 171956 307758251 615516502 1231033004