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4747452245477 = 22920731232513
BaseRepresentation
bin100010100010101101000…
…1101000110010111100101
3121210212000002221221010022
41011011122031012113211
51110240240233323402
614032541025404525
7666664202160464
oct105053215062745
917725002857108
104747452245477
111570424032667
12648108199745
132858b5225926
14125ac68529db
158375ade72a2
hex4515a3465e5

4747452245477 has 4 divisors (see below), whose sum is σ = 4768183478220. Its totient is φ = 4726721012736.

The previous prime is 4747452245387. The next prime is 4747452245479. The reversal of 4747452245477 is 7745422547474.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4374920240161 + 372532005316 = 2091631^2 + 610354^2 .

It is a cyclic number.

It is not a de Polignac number, because 4747452245477 - 242 = 349405734373 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 (4747452245479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10365616028 + ... + 10365616485.

It is an arithmetic number, because the mean of its divisors is an integer number (1192045869555).

Almost surely, 24747452245477 is an apocalyptic number.

It is an amenable number.

4747452245477 is a deficient number, since it is larger than the sum of its proper divisors (20731232743).

4747452245477 is a wasteful number, since it uses less digits than its factorization.

4747452245477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20731232742.

The product of its digits is 245862400, while the sum is 62.

The spelling of 4747452245477 in words is "four trillion, seven hundred forty-seven billion, four hundred fifty-two million, two hundred forty-five thousand, four hundred seventy-seven".

Divisors: 1 229 20731232513 4747452245477