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30772338477 = 343923365481
BaseRepresentation
bin11100101010001011…
…001001111100101101
32221102120120202120220
4130222023021330231
51001010204312402
622045302001553
72136365363346
oct345213117455
987376522526
1030772338477
11120612013a1
125b697162b9
132b953b150a
1416bcc530cd
15c01839dbc
hex72a2c9f2d

30772338477 has 8 divisors (see below), whose sum is σ = 41123248320. Its totient is φ = 20468160480.

The previous prime is 30772338463. The next prime is 30772338517. The reversal of 30772338477 is 77483327703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30772338477 - 218 = 30772076333 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30772338437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11681424 + ... + 11684057.

It is an arithmetic number, because the mean of its divisors is an integer number (5140406040).

Almost surely, 230772338477 is an apocalyptic number.

It is an amenable number.

30772338477 is a deficient number, since it is larger than the sum of its proper divisors (10350909843).

30772338477 is a wasteful number, since it uses less digits than its factorization.

30772338477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23365923.

The product of its (nonzero) digits is 4148928, while the sum is 51.

The spelling of 30772338477 in words is "thirty billion, seven hundred seventy-two million, three hundred thirty-eight thousand, four hundred seventy-seven".

Divisors: 1 3 439 1317 23365481 70096443 10257446159 30772338477