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4780540030621 = 16451290592671
BaseRepresentation
bin100010110010000111001…
…1000111110111010011101
3121221000102001110120102011
41011210032120332322131
51111311021221434441
614100052203431221
71002245144541415
oct105441630767235
917830361416364
104780540030621
111583463245343
12652601225511
13288a5922a014
14127544dd5645
1584545b55581
hex4590e63ee9d

4780540030621 has 4 divisors (see below), whose sum is σ = 4780830639744. Its totient is φ = 4780249421500.

The previous prime is 4780540030583. The next prime is 4780540030657. The reversal of 4780540030621 is 1260300450874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4780540030621 - 217 = 4780539899549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4780540036621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145279885 + ... + 145312786.

It is an arithmetic number, because the mean of its divisors is an integer number (1195207659936).

Almost surely, 24780540030621 is an apocalyptic number.

It is an amenable number.

4780540030621 is a deficient number, since it is larger than the sum of its proper divisors (290609123).

4780540030621 is a wasteful number, since it uses less digits than its factorization.

4780540030621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290609122.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 4780540030621 in words is "four trillion, seven hundred eighty billion, five hundred forty million, thirty thousand, six hundred twenty-one".

Divisors: 1 16451 290592671 4780540030621