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2921319042 = 23486886507
BaseRepresentation
bin1010111000011111…
…1100101010000010
321112120222101100120
42232013330222002
521440324202132
61201514001110
7132251542065
oct25607745202
97476871316
102921319042
11126a010264
12696416196
133772c6665
141d9da48dc
1512170102c
hexae1fca82

2921319042 has 8 divisors (see below), whose sum is σ = 5842638096. Its totient is φ = 973773012.

The previous prime is 2921319041. The next prime is 2921319047. The reversal of 2921319042 is 2409131292.

2921319042 is digitally balanced in base 2, 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.

2921319042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2921318994 and 2921319012.

It is not an unprimeable number, because it can be changed into a prime (2921319041) 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, 243443248 + ... + 243443259.

It is an arithmetic number, because the mean of its divisors is an integer number (730329762).

Almost surely, 22921319042 is an apocalyptic number.

2921319042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2921319042 is a wasteful number, since it uses less digits than its factorization.

2921319042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486886512.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2921319042 is about 54049.2279500827. The cubic root of 2921319042 is about 1429.5290871206.

The spelling of 2921319042 in words is "two billion, nine hundred twenty-one million, three hundred nineteen thousand, forty-two".

Divisors: 1 2 3 6 486886507 973773014 1460659521 2921319042