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30777376642 = 234439446839
BaseRepresentation
bin11100101010011110…
…010111111110000010
32221102221001201122121
4130222132113332002
51001013002023032
622050001554454
72136456246025
oct345236277602
987387051577
1030777376642
1112064032671
125b6b345a2a
132b9645678c
1416bd7a51bc
15c01ed2a97
hex72a797f82

30777376642 has 8 divisors (see below), whose sum is σ = 46167508800. Its totient is φ = 15388207044.

The previous prime is 30777376573. The next prime is 30777376649. The reversal of 30777376642 is 24667377703.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30777376642.

It is not an unprimeable number, because it can be changed into a prime (30777376649) 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, 154542 + ... + 292297.

It is an arithmetic number, because the mean of its divisors is an integer number (5770938600).

Almost surely, 230777376642 is an apocalyptic number.

30777376642 is a deficient number, since it is larger than the sum of its proper divisors (15390132158).

30777376642 is a wasteful number, since it uses less digits than its factorization.

30777376642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481280.

The product of its (nonzero) digits is 6223392, while the sum is 52.

The spelling of 30777376642 in words is "thirty billion, seven hundred seventy-seven million, three hundred seventy-six thousand, six hundred forty-two".

Divisors: 1 2 34439 68878 446839 893678 15388688321 30777376642