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138388792059 = 337732215831
BaseRepresentation
bin1000000011100010011…
…1010110001011111011
3111020012112221000222000
42000320213112023323
54231410012321214
6143324104032043
712666255216030
oct2007047261373
9436175830860
10138388792059
1153765957831
12229a2162623
1310085b3390b
1469ab65b387
1538ee55b809
hex20389d62fb

138388792059 has 16 divisors (see below), whose sum is σ = 234309066240. Its totient is φ = 79079309640.

The previous prime is 138388792049. The next prime is 138388792081. The reversal of 138388792059 is 950297883831.

138388792059 is a `hidden beast` number, since 138 + 388 + 79 + 2 + 0 + 59 = 666.

138388792059 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 138388792059 - 216 = 138388726523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 138388791987 and 138388792005.

It is not an unprimeable number, because it can be changed into a prime (138388792039) 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 15 ways as a sum of consecutive naturals, for example, 366107727 + ... + 366108104.

It is an arithmetic number, because the mean of its divisors is an integer number (14644316640).

Almost surely, 2138388792059 is an apocalyptic number.

138388792059 is a deficient number, since it is larger than the sum of its proper divisors (95920274181).

138388792059 is an equidigital number, since it uses as much as digits as its factorization.

138388792059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732215847 (or 732215841 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 138388792059 in words is "one hundred thirty-eight billion, three hundred eighty-eight million, seven hundred ninety-two thousand, fifty-nine".

Divisors: 1 3 7 9 21 27 63 189 732215831 2196647493 5125510817 6589942479 15376532451 19769827437 46129597353 138388792059