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1230005933 = 13473116473
BaseRepresentation
bin100100101010000…
…0110011010101101
310011201110202221022
41021110012122231
510004340142213
6322015143525
742323610062
oct11124063255
93151422838
101230005933
11581340732
122a3b14ba5
13167a9c080
14b9500c69
1572eb6308
hex495066ad

1230005933 has 16 divisors (see below), whose sum is σ = 1357364736. Its totient is φ = 1107488640.

The previous prime is 1230005929. The next prime is 1230005939. The reversal of 1230005933 is 3395000321.

It is a cyclic number.

It is not a de Polignac number, because 1230005933 - 22 = 1230005929 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230005939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186785 + ... + 193257.

It is an arithmetic number, because the mean of its divisors is an integer number (84835296).

Almost surely, 21230005933 is an apocalyptic number.

1230005933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1230005933 is a deficient number, since it is larger than the sum of its proper divisors (127358803).

1230005933 is a wasteful number, since it uses less digits than its factorization.

1230005933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 1230005933 is about 35071.4404180952. The cubic root of 1230005933 is about 1071.4429924146.

The spelling of 1230005933 in words is "one billion, two hundred thirty million, five thousand, nine hundred thirty-three".

Divisors: 1 13 47 311 611 4043 6473 14617 84149 190021 304231 2013103 3955003 26170339 94615841 1230005933