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388074890347 = 10115889241823
BaseRepresentation
bin1011010010110110001…
…00001110010001101011
31101002200121101000212221
411221123010032101223
522324234132442342
6454140143414511
740015600066324
oct5513304162153
91332617330787
10388074890347
1113a644181a81
12632655b4437
132a797b68241
1414ad64bb44b
15a164a1ca67
hex5a5b10e46b

388074890347 has 8 divisors (see below), whose sum is σ = 391943502720. Its totient is φ = 384206793600.

The previous prime is 388074890339. The next prime is 388074890509. The reversal of 388074890347 is 743098470883.

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

It is a cyclic number.

It is not a de Polignac number, because 388074890347 - 23 = 388074890339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388074890317) 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, 1483878 + ... + 1725700.

It is an arithmetic number, because the mean of its divisors is an integer number (48992937840).

Almost surely, 2388074890347 is an apocalyptic number.

388074890347 is a deficient number, since it is larger than the sum of its proper divisors (3868612373).

388074890347 is a wasteful number, since it uses less digits than its factorization.

388074890347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257813.

The product of its (nonzero) digits is 32514048, while the sum is 61.

The spelling of 388074890347 in words is "three hundred eighty-eight billion, seventy-four million, eight hundred ninety thousand, three hundred forty-seven".

Divisors: 1 101 15889 241823 1604789 24424123 3842325647 388074890347