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4321780493 = 191142315901
BaseRepresentation
bin1000000011001100…
…10010001100001101
3102011012012012022012
410001212102030031
532322333433433
61552502431005
7212045346062
oct40146221415
912135165265
104321780493
111918594718
12a07432465
1353b4a7184
142cdd96c69
151a4637848
hex10199230d

4321780493 has 8 divisors (see below), whose sum is σ = 4347734016. Its totient is φ = 4295862000.

The previous prime is 4321780481. The next prime is 4321780501. The reversal of 4321780493 is 3940871234.

4321780493 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4321780493 - 224 = 4305003277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4321780493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321780423) 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, 263843 + ... + 279743.

It is an arithmetic number, because the mean of its divisors is an integer number (543466752).

Almost surely, 24321780493 is an apocalyptic number.

It is an amenable number.

4321780493 is a deficient number, since it is larger than the sum of its proper divisors (25953523).

4321780493 is a wasteful number, since it uses less digits than its factorization.

4321780493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17515.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 4321780493 is about 65740.2501744555. The cubic root of 4321780493 is about 1628.8742892968.

The spelling of 4321780493 in words is "four billion, three hundred twenty-one million, seven hundred eighty thousand, four hundred ninety-three".

Divisors: 1 191 1423 15901 271793 3037091 22627123 4321780493