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1230142204 = 22307535551
BaseRepresentation
bin100100101010010…
…0111101011111100
310011201201200212101
41021110213223330
510004404022304
6322022114444
742325015264
oct11124475374
93151650771
101230142204
11581424055
122a3b7ba24
13167b190c5
14b95387a4
1572ee18a4
hex49527afc

1230142204 has 6 divisors (see below), whose sum is σ = 2152748864. Its totient is φ = 615071100.

The previous prime is 1230142201. The next prime is 1230142231. The reversal of 1230142204 is 4022410321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230142201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153767772 + ... + 153767779.

Almost surely, 21230142204 is an apocalyptic number.

It is an amenable number.

1230142204 is a deficient number, since it is larger than the sum of its proper divisors (922606660).

1230142204 is a wasteful number, since it uses less digits than its factorization.

1230142204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307535555 (or 307535553 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1230142204 is about 35073.3831273802. The cubic root of 1230142204 is about 1071.4825589490.

Adding to 1230142204 its reverse (4022410321), we get a palindrome (5252552525).

The spelling of 1230142204 in words is "one billion, two hundred thirty million, one hundred forty-two thousand, two hundred four".

Divisors: 1 2 4 307535551 615071102 1230142204