Search a number
-
+
660970485541 = 8911036733123
BaseRepresentation
bin10011001111001001110…
…10010011011100100101
32100012002011120122010101
421213210322103130211
541312131421014131
61223351243224101
765516315266432
oct11474472233445
92305064518111
10660970485541
11235352675823
12a8125818031
134a43848c8a2
1423dc39a0b89
15122d78c1c61
hex99e4e93725

660970485541 has 8 divisors (see below), whose sum is σ = 669003200640. Its totient is φ = 652951239072.

The previous prime is 660970485463. The next prime is 660970485547. The reversal of 660970485541 is 145584079066.

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 660970485541 - 211 = 660970483493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660970485547) 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, 3268395 + ... + 3464728.

It is an arithmetic number, because the mean of its divisors is an integer number (83625400080).

Almost surely, 2660970485541 is an apocalyptic number.

It is an amenable number.

660970485541 is a deficient number, since it is larger than the sum of its proper divisors (8032715099).

660970485541 is a wasteful number, since it uses less digits than its factorization.

660970485541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734315.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 660970485541 in words is "six hundred sixty billion, nine hundred seventy million, four hundred eighty-five thousand, five hundred forty-one".

Divisors: 1 89 1103 98167 6733123 599247947 7426634669 660970485541