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131067404705 = 526213480941
BaseRepresentation
bin111101000010000111…
…0011110000110100001
3110112022022110000121102
41322010032132012201
54121411223422310
6140113405204145
712316654362266
oct1720416360641
9415268400542
10131067404705
1150649151086
122149a260655
13c48a082153
1464b516126d
15362190b8a5
hex1e8439e1a1

131067404705 has 4 divisors (see below), whose sum is σ = 157280885652. Its totient is φ = 104853923760.

The previous prime is 131067404701. The next prime is 131067404761. The reversal of 131067404705 is 507404760131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37546425361 + 93520979344 = 193769^2 + 305812^2 .

It is not a de Polignac number, because 131067404705 - 22 = 131067404701 is a prime.

It is a super-2 number, since 2×1310674047052 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131067404701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13106740466 + ... + 13106740475.

It is an arithmetic number, because the mean of its divisors is an integer number (39320221413).

Almost surely, 2131067404705 is an apocalyptic number.

It is an amenable number.

131067404705 is a deficient number, since it is larger than the sum of its proper divisors (26213480947).

131067404705 is an equidigital number, since it uses as much as digits as its factorization.

131067404705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26213480946.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 131067404705 in words is "one hundred thirty-one billion, sixty-seven million, four hundred four thousand, seven hundred five".

Divisors: 1 5 26213480941 131067404705