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138214754161 = 1112564977651
BaseRepresentation
bin1000000010111000111…
…1011100011101110001
3111012202102102222211221
42000232033130131301
54231030434113121
6143254525505041
712662043011641
oct2005617343561
9435672388757
10138214754161
1153686697560
1222953a12181
1310058a69703
1469924b6521
1538de12eb41
hex202e3dc771

138214754161 has 4 divisors (see below), whose sum is σ = 150779731824. Its totient is φ = 125649776500.

The previous prime is 138214754147. The next prime is 138214754173. The reversal of 138214754161 is 161457412831.

138214754161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 138214754161 - 225 = 138181199729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138214752161) 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 3 ways as a sum of consecutive naturals, for example, 6282488815 + ... + 6282488836.

It is an arithmetic number, because the mean of its divisors is an integer number (37694932956).

Almost surely, 2138214754161 is an apocalyptic number.

138214754161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

138214754161 is a deficient number, since it is larger than the sum of its proper divisors (12564977663).

138214754161 is a wasteful number, since it uses less digits than its factorization.

138214754161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12564977662.

The product of its digits is 161280, while the sum is 43.

The spelling of 138214754161 in words is "one hundred thirty-eight billion, two hundred fourteen million, seven hundred fifty-four thousand, one hundred sixty-one".

Divisors: 1 11 12564977651 138214754161