Search a number
-
+
164270740868401 = 173519467508551
BaseRepresentation
bin100101010110011101000011…
…001010000000110100110001
3210112122010111101002212221111
4211112131003022000310301
5133012402434130242101
61341212534143353321
746413112044535006
oct4526350312006461
9715563441085844
10164270740868401
1148383914766552
121651092a8b2841
1370878838a492b
142c7ca63b178ad
1513ed0d3e59251
hex956743280d31

164270740868401 has 4 divisors (see below), whose sum is σ = 164280208394304. Its totient is φ = 164261273342500.

The previous prime is 164270740868291. The next prime is 164270740868411. The reversal of 164270740868401 is 104868047072461.

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 164270740868401 - 229 = 164270203997489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164270740868411) 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, 4733736925 + ... + 4733771626.

It is an arithmetic number, because the mean of its divisors is an integer number (41070052098576).

Almost surely, 2164270740868401 is an apocalyptic number.

It is an amenable number.

164270740868401 is a deficient number, since it is larger than the sum of its proper divisors (9467525903).

164270740868401 is an equidigital number, since it uses as much as digits as its factorization.

164270740868401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9467525902.

The product of its (nonzero) digits is 14450688, while the sum is 58.

The spelling of 164270740868401 in words is "one hundred sixty-four trillion, two hundred seventy billion, seven hundred forty million, eight hundred sixty-eight thousand, four hundred one".

Divisors: 1 17351 9467508551 164270740868401