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1230133039 = 1772360767
BaseRepresentation
bin100100101010010…
…0101011100101111
310011201201020021221
41021110211130233
510004403224124
6322022004211
742324646462
oct11124453457
93151636257
101230133039
11581418183
122a3b76667
13167b14b95
14b95352d9
1572eddce4
hex4952572f

1230133039 has 4 divisors (see below), whose sum is σ = 1302493824. Its totient is φ = 1157772256.

The previous prime is 1230133013. The next prime is 1230133063. The reversal of 1230133039 is 9303310321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1230133039 - 215 = 1230100271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230133139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36180367 + ... + 36180400.

It is an arithmetic number, because the mean of its divisors is an integer number (325623456).

Almost surely, 21230133039 is an apocalyptic number.

1230133039 is a deficient number, since it is larger than the sum of its proper divisors (72360785).

1230133039 is an equidigital number, since it uses as much as digits as its factorization.

1230133039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72360784.

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 1230133039 is about 35073.2524725039. The cubic root of 1230133039 is about 1071.4798979661.

The spelling of 1230133039 in words is "one billion, two hundred thirty million, one hundred thirty-three thousand, thirty-nine".

Divisors: 1 17 72360767 1230133039