Search a number
-
+
670363374875040 = 253457111953667091
BaseRepresentation
bin1001100001101100010010001…
…0110101000111000110100000
310020220120010001012110012020000
42120123010202311013012200
51200331213142432000130
610333424403304420000
7261126104233345230
oct23033044265070640
93226503035405200
10670363374875040
11184664568863a50
1263228ab5a77600
1322a08cc2039192
14bb77a909d5cc0
155277a53018260
hex261b122d471a0

670363374875040 has 1920 divisors, whose sum is σ = 3163427539937280. Its totient is φ = 129474804326400.

The previous prime is 670363374875017. The next prime is 670363374875041. The reversal of 670363374875040 is 40578473363076.

It is a happy number.

670363374875040 is a `hidden beast` number, since 6 + 7 + 0 + 3 + 63 + 3 + 7 + 487 + 50 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (670363374875041) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 1004571895 + ... + 1005238985.

It is an arithmetic number, because the mean of its divisors is an integer number (1647618510384).

Almost surely, 2670363374875040 is an apocalyptic number.

670363374875040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670363374875040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1581713769968640).

670363374875040 is an abundant number, since it is smaller than the sum of its proper divisors (2493064165062240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670363374875040 is a wasteful number, since it uses less digits than its factorization.

670363374875040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667208 (or 667191 counting only the distinct ones).

The product of its (nonzero) digits is 213373440, while the sum is 63.

The spelling of 670363374875040 in words is "six hundred seventy trillion, three hundred sixty-three billion, three hundred seventy-four million, eight hundred seventy-five thousand, forty".