Search a number
-
+
1660315440401 = 19607914374901
BaseRepresentation
bin11000001010010010100…
…000110001010100010001
312212201120020102022121022
4120022102200301110101
5204200311223043101
63310423254005225
7230645110250042
oct30122240612421
95781506368538
101660315440401
115901548665a2
12229944346815
13c074ab28c47
145a5070128c9
152d2c6895a1b
hex18292831511

1660315440401 has 8 divisors (see below), whose sum is σ = 1747988083200. Its totient is φ = 1572671559600.

The previous prime is 1660315440391. The next prime is 1660315440467. The reversal of 1660315440401 is 1040445130661.

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

It is a cyclic number.

It is not a de Polignac number, because 1660315440401 - 214 = 1660315424017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1660315340401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7071950 + ... + 7302951.

It is an arithmetic number, because the mean of its divisors is an integer number (218498510400).

Almost surely, 21660315440401 is an apocalyptic number.

It is an amenable number.

1660315440401 is a deficient number, since it is larger than the sum of its proper divisors (87672642799).

1660315440401 is a wasteful number, since it uses less digits than its factorization.

1660315440401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14380999.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 1660315440401 in words is "one trillion, six hundred sixty billion, three hundred fifteen million, four hundred forty thousand, four hundred one".

Divisors: 1 19 6079 115501 14374901 273123119 87385023179 1660315440401