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388042975106 = 23147911130633
BaseRepresentation
bin1011010010110010010…
…10011110011110000010
31101002121101022120101222
411221121022132132002
522324203000200411
6454133043355042
740015031603063
oct5513112363602
91332541276358
10388042975106
1113a628163646
1263256982a82
132a791372597
1414ad217056a
15a161d164db
hex5a5929e782

388042975106 has 16 divisors (see below), whose sum is σ = 600857875968. Its totient is φ = 187757373600.

The previous prime is 388042975097. The next prime is 388042975141. The reversal of 388042975106 is 601579240883.

It is a super-2 number, since 2×3880429751062 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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, 2905166 + ... + 3035798.

It is an arithmetic number, because the mean of its divisors is an integer number (37553617248).

It is a 1-persistent number, because it is pandigital, but 2⋅388042975106 = 776085950212 is not.

Almost surely, 2388042975106 is an apocalyptic number.

388042975106 is a deficient number, since it is larger than the sum of its proper divisors (212814900862).

388042975106 is a wasteful number, since it uses less digits than its factorization.

388042975106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178577.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 388042975106 in words is "three hundred eighty-eight billion, forty-two million, nine hundred seventy-five thousand, one hundred six".

Divisors: 1 2 31 62 47911 95822 130633 261266 1485241 2970482 4049623 8099246 6258757663 12517515326 194021487553 388042975106