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402103230442 = 21943330797937
BaseRepresentation
bin1011101100111110011…
…10000101111111101010
31102102220021011112202121
411312133032011333222
523042001411333232
6504420151421454
741023331031124
oct5663716057752
91372807145677
10402103230442
11145592877581
1265b1b68488a
132bbc22ba6b4
1415667650214
15a6d639cd97
hex5d9f385fea

402103230442 has 32 divisors (see below), whose sum is σ = 636653001600. Its totient is φ = 189944414208.

The previous prime is 402103230421. The next prime is 402103230443. The reversal of 402103230442 is 244032301204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (402103230443) 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, 50657898 + ... + 50665834.

It is an arithmetic number, because the mean of its divisors is an integer number (19895406300).

Almost surely, 2402103230442 is an apocalyptic number.

402103230442 is a deficient number, since it is larger than the sum of its proper divisors (234549771158).

402103230442 is a wasteful number, since it uses less digits than its factorization.

402103230442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11470.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 402103230442 its reverse (244032301204), we get a palindrome (646135531646).

The spelling of 402103230442 in words is "four hundred two billion, one hundred three million, two hundred thirty thousand, four hundred forty-two".

Divisors: 1 2 19 38 433 866 3079 6158 7937 8227 15874 16454 58501 117002 150803 301606 1333207 2666414 3436721 6873442 24438023 25330933 48876046 50661866 65297699 130595398 464322437 928644874 10581663959 21163327918 201051615221 402103230442