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1230104352 = 25312813587
BaseRepresentation
bin100100101010001…
…1110011100100000
310011201122202221110
41021110132130200
510004401314402
6322021223320
742324500031
oct11124363440
93151582843
101230104352
115813a8674
122a3b61b40
13167b04ac9
14b9528a88
1572ed556c
hex4951e720

1230104352 has 24 divisors (see below), whose sum is σ = 3229024176. Its totient is φ = 410034752.

The previous prime is 1230104341. The next prime is 1230104353. The reversal of 1230104352 is 2534010321.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1230104353) by changing a digit.

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, 6406698 + ... + 6406889.

It is an arithmetic number, because the mean of its divisors is an integer number (134542674).

Almost surely, 21230104352 is an apocalyptic number.

1230104352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230104352 is an abundant number, since it is smaller than the sum of its proper divisors (1998919824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230104352 is a wasteful number, since it uses less digits than its factorization.

1230104352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12813600 (or 12813592 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1230104352 is about 35072.8435117542. The cubic root of 1230104352 is about 1071.4715688446.

Adding to 1230104352 its reverse (2534010321), we get a palindrome (3764114673).

The spelling of 1230104352 in words is "one billion, two hundred thirty million, one hundred four thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 12813587 25627174 38440761 51254348 76881522 102508696 153763044 205017392 307526088 410034784 615052176 1230104352