Search a number
-
+
2670385323240 = 233451931245139
BaseRepresentation
bin100110110110111111010…
…111100101110011101000
3100110021201202002210110000
4212312333113211303220
5322222422120320430
65402431425023000
7363633431506065
oct46667727456350
910407652083400
102670385323240
1193a55a997508
12371656784a60
13164a7c40c32b
14933669adc6c
15496e21c0e60
hex26dbf5e5ce8

2670385323240 has 480 divisors, whose sum is σ = 9762671556000. Its totient is φ = 652847143680.

The previous prime is 2670385323163. The next prime is 2670385323247. The reversal of 2670385323240 is 423235830762.

2670385323240 is a `hidden beast` number, since 2 + 6 + 7 + 0 + 3 + 85 + 323 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2670385323247) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 59136591 + ... + 59181729.

It is an arithmetic number, because the mean of its divisors is an integer number (20338899075).

Almost surely, 22670385323240 is an apocalyptic number.

2670385323240 is a gapful number since it is divisible by the number (20) 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 2670385323240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4881335778000).

2670385323240 is an abundant number, since it is smaller than the sum of its proper divisors (7092286232760).

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

2670385323240 is a wasteful number, since it uses less digits than its factorization.

2670385323240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45243 (or 45199 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 2670385323240 in words is "two trillion, six hundred seventy billion, three hundred eighty-five million, three hundred twenty-three thousand, two hundred forty".