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388700804442 = 2373887444759
BaseRepresentation
bin1011010100000000101…
…11111001010101011010
31101011022020010202121110
411222000113321111122
522332024401220232
6454322223121150
740040240215626
oct5520027712532
91334266122543
10388700804442
1113a93551a555
12633bb1431b6
132a867738102
1414b5568c186
15a19e958acc
hex5a805f955a

388700804442 has 16 divisors (see below), whose sum is σ = 788050946880. Its totient is φ = 127792045152.

The previous prime is 388700804431. The next prime is 388700804449. The reversal of 388700804442 is 244408007883.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 388700804391 and 388700804400.

It is not an unprimeable number, because it can be changed into a prime (388700804449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443721942 + ... + 443722817.

It is an arithmetic number, because the mean of its divisors is an integer number (49253184180).

Almost surely, 2388700804442 is an apocalyptic number.

388700804442 is an abundant number, since it is smaller than the sum of its proper divisors (399350142438).

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

388700804442 is a wasteful number, since it uses less digits than its factorization.

388700804442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887444837.

The product of its (nonzero) digits is 1376256, while the sum is 48.

The spelling of 388700804442 in words is "three hundred eighty-eight billion, seven hundred million, eight hundred four thousand, four hundred forty-two".

Divisors: 1 2 3 6 73 146 219 438 887444759 1774889518 2662334277 5324668554 64783467407 129566934814 194350402221 388700804442