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2694343680 = 21032578353
BaseRepresentation
bin1010000010011000…
…0110110000000000
320221202212211200200
42200212012300000
521004222444210
61123205045200
7123524354250
oct24046066000
96852784620
102694343680
111162983316
126323b6800
1333c286002
141b7b9d960
1510b8190c0
hexa0986c00

2694343680 has 264 divisors, whose sum is σ = 10670798112. Its totient is φ = 615776256.

The previous prime is 2694343643. The next prime is 2694343681. The reversal of 2694343680 is 863434962.

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 (2694343681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318384 + ... + 326736.

Almost surely, 22694343680 is an apocalyptic number.

2694343680 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 2694343680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5335399056).

2694343680 is an abundant number, since it is smaller than the sum of its proper divisors (7976454432).

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

2694343680 is a wasteful number, since it uses less digits than its factorization.

2694343680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8391 (or 8370 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 2694343680 is about 51907.0677268520. The cubic root of 2694343680 is about 1391.5035883506.

The spelling of 2694343680 in words is "two billion, six hundred ninety-four million, three hundred forty-three thousand, six hundred eighty".