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1230001142 = 2679179113
BaseRepresentation
bin100100101010000…
…0101001111110110
310011201110112100212
41021110011033312
510004340014032
6322015105422
742323560106
oct11124051766
93151415325
101230001142
11581338077
122a3b12272
13167a99b36
14b94dd206
1572eb4bb2
hex495053f6

1230001142 has 8 divisors (see below), whose sum is σ = 1872539256. Its totient is φ = 605821392.

The previous prime is 1230001141. The next prime is 1230001147. The reversal of 1230001142 is 2411000321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230001141) 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, 4589423 + ... + 4589690.

It is an arithmetic number, because the mean of its divisors is an integer number (234067407).

Almost surely, 21230001142 is an apocalyptic number.

1230001142 is a deficient number, since it is larger than the sum of its proper divisors (642538114).

1230001142 is an equidigital number, since it uses as much as digits as its factorization.

1230001142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9179182.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1230001142 is about 35071.3721145894. The cubic root of 1230001142 is about 1071.4416012858.

Adding to 1230001142 its reverse (2411000321), we get a palindrome (3641001463).

The spelling of 1230001142 in words is "one billion, two hundred thirty million, one thousand, one hundred forty-two".

Divisors: 1 2 67 134 9179113 18358226 615000571 1230001142