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138746289914 = 2421164781817
BaseRepresentation
bin1000000100110111101…
…1000101111011111010
3111021010110121210211022
42001031323011323322
54233123022234124
6143423354302442
713011156001601
oct2011573057372
9437113553738
10138746289914
1153929733201
1222a81a27a22
1310111c137cb
146a02d1aa38
153920b26c5e
hex204dec5efa

138746289914 has 8 divisors (see below), whose sum is σ = 208613781588. Its totient is φ = 69208362720.

The previous prime is 138746289893. The next prime is 138746289961. The reversal of 138746289914 is 419982647831.

It can be written as a sum of positive squares in 2 ways, for example, as 105031087225 + 33715202689 = 324085^2 + 183617^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82390067 + ... + 82391750.

Almost surely, 2138746289914 is an apocalyptic number.

138746289914 is a deficient number, since it is larger than the sum of its proper divisors (69867491674).

138746289914 is a wasteful number, since it uses less digits than its factorization.

138746289914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164782240.

The product of its digits is 20901888, while the sum is 62.

The spelling of 138746289914 in words is "one hundred thirty-eight billion, seven hundred forty-six million, two hundred eighty-nine thousand, nine hundred fourteen".

Divisors: 1 2 421 842 164781817 329563634 69373144957 138746289914