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388673120106 = 23266132667097
BaseRepresentation
bin1011010011111101011…
…10010010011101101010
31101011020022001020211200
411221332232102131222
522332000304320411
6454315353505030
740036453003365
oct5517656223552
91334208036750
10388673120106
1113a920930937
12633b1a12176
132a861a9414b
1414b51b230dc
15a19c2dae56
hex5a7eb9276a

388673120106 has 24 divisors (see below), whose sum is σ = 843399136164. Its totient is φ = 129361700160.

The previous prime is 388673120023. The next prime is 388673120131. The reversal of 388673120106 is 601021376883.

388673120106 is a `hidden beast` number, since 388 + 67 + 3 + 1 + 201 + 0 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 387681814881 + 991305225 = 622641^2 + 31485^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16321651 + ... + 16345446.

Almost surely, 2388673120106 is an apocalyptic number.

388673120106 is an abundant number, since it is smaller than the sum of its proper divisors (454726016058).

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

388673120106 is a wasteful number, since it uses less digits than its factorization.

388673120106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32667766 (or 32667763 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

Adding to 388673120106 its reverse (601021376883), we get a palindrome (989694496989).

The spelling of 388673120106 in words is "three hundred eighty-eight billion, six hundred seventy-three million, one hundred twenty thousand, one hundred six".

Divisors: 1 2 3 6 9 18 661 1322 1983 3966 5949 11898 32667097 65334194 98001291 196002582 294003873 588007746 21592951117 43185902234 64778853351 129557706702 194336560053 388673120106