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138246175894 = 2118158529287
BaseRepresentation
bin1000000011000000011…
…1010011110010010110
3111012211121120101100211
42000300013103302112
54231112010112034
6143302011200034
712662604051331
oct2006007236226
9435747511324
10138246175894
11536a23a9132
122296244601a
131006241b858
146996735618
1538e1c89d64
hex20301d3c96

138246175894 has 8 divisors (see below), whose sum is σ = 207544855248. Its totient is φ = 69064557480.

The previous prime is 138246175867. The next prime is 138246175897. The reversal of 138246175894 is 498571642831.

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

It is a super-2 number, since 2×1382461758942 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138246175897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29262282 + ... + 29267005.

It is an arithmetic number, because the mean of its divisors is an integer number (25943106906).

Almost surely, 2138246175894 is an apocalyptic number.

138246175894 is a deficient number, since it is larger than the sum of its proper divisors (69298679354).

138246175894 is a wasteful number, since it uses less digits than its factorization.

138246175894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58530470.

The product of its digits is 11612160, while the sum is 58.

The spelling of 138246175894 in words is "one hundred thirty-eight billion, two hundred forty-six million, one hundred seventy-five thousand, eight hundred ninety-four".

Divisors: 1 2 1181 2362 58529287 117058574 69123087947 138246175894