Search a number
-
+
340143874560 = 293357727967
BaseRepresentation
bin1001111001100100010…
…01111010001000000000
31012111222012201011001000
410330302021322020000
521033103312441220
6420132051412000
733401040141450
oct4746211721000
91174865634030
10340143874560
11121288393436
1255b095b4000
13260c9946c39
141266a881d60
158cabb15390
hex4f3227a200

340143874560 has 640 divisors, whose sum is σ = 1384151408640. Its totient is φ = 77559939072.

The previous prime is 340143874537. The next prime is 340143874561. The reversal of 340143874560 is 65478341043.

340143874560 is a `hidden beast` number, since 3 + 4 + 0 + 1 + 4 + 3 + 87 + 4 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

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 (340143874561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 351751197 + ... + 351752163.

It is an arithmetic number, because the mean of its divisors is an integer number (2162736576).

Almost surely, 2340143874560 is an apocalyptic number.

340143874560 is a gapful number since it is divisible by the number (30) 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 340143874560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692075704320).

340143874560 is an abundant number, since it is smaller than the sum of its proper divisors (1044007534080).

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

340143874560 is an equidigital number, since it uses as much as digits as its factorization.

340143874560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 340143874560 in words is "three hundred forty billion, one hundred forty-three million, eight hundred seventy-four thousand, five hundred sixty".