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1231333004 = 221127984841
BaseRepresentation
bin100100101100100…
…1010011010001100
310011210222012100002
41021121022122030
510010210124004
6322103423432
742341105066
oct11131123214
93153865302
101231333004
11582067790
122a4454b78
13168145115
14b9768736
157317961e
hex4964a68c

1231333004 has 12 divisors (see below), whose sum is σ = 2350726728. Its totient is φ = 559696800.

The previous prime is 1231332983. The next prime is 1231333013. The reversal of 1231333004 is 4003331321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13992377 + ... + 13992464.

It is an arithmetic number, because the mean of its divisors is an integer number (195893894).

Almost surely, 21231333004 is an apocalyptic number.

It is an amenable number.

1231333004 is a deficient number, since it is larger than the sum of its proper divisors (1119393724).

1231333004 is a wasteful number, since it uses less digits than its factorization.

1231333004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27984856 (or 27984854 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1231333004 is about 35090.3548571399. The cubic root of 1231333004 is about 1071.8281856425.

Adding to 1231333004 its reverse (4003331321), we get a palindrome (5234664325).

The spelling of 1231333004 in words is "one billion, two hundred thirty-one million, three hundred thirty-three thousand, four".

Divisors: 1 2 4 11 22 44 27984841 55969682 111939364 307833251 615666502 1231333004