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69470357806081 = 587118348139363
BaseRepresentation
bin11111100101110110100111…
…11111111101110000000001
3100002222022010200101120212001
433302323103333331300001
533101200243044243311
6403430124121104001
720430032141203051
oct1762732377756001
9302868120346761
1069470357806081
1120154238990701
12795b9a2328001
132c9c04668111b
141322551937561
1580713b8b54c1
hex3f2ed3ffdc01

69470357806081 has 4 divisors (see below), whose sum is σ = 69588705946032. Its totient is φ = 69352009666132.

The previous prime is 69470357806021. The next prime is 69470357806093. The reversal of 69470357806081 is 18060875307496.

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 a de Polignac number, because none of the positive numbers 2k-69470357806081 is a prime.

It is a super-2 number, since 2×694703578060812 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69470357806021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59174069095 + ... + 59174070268.

It is an arithmetic number, because the mean of its divisors is an integer number (17397176486508).

Almost surely, 269470357806081 is an apocalyptic number.

It is an amenable number.

69470357806081 is a deficient number, since it is larger than the sum of its proper divisors (118348139951).

69470357806081 is a wasteful number, since it uses less digits than its factorization.

69470357806081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118348139950.

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 69470357806081 in words is "sixty-nine trillion, four hundred seventy billion, three hundred fifty-seven million, eight hundred six thousand, eighty-one".

Divisors: 1 587 118348139363 69470357806081