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2780134724 = 224116952041
BaseRepresentation
bin1010010110110101…
…0111110101000100
321011202022110212202
42211231113311010
521143203302344
61135511534032
7125615520023
oct24555276504
97152273782
102780134724
1111a734a404
1265708a318
13353c93243
141c53328ba
1511411394e
hexa5b57d44

2780134724 has 12 divisors (see below), whose sum is σ = 4983900348. Its totient is φ = 1356163200.

The previous prime is 2780134711. The next prime is 2780134781. The reversal of 2780134724 is 4274310872.

It can be written as a sum of positive squares in 2 ways, for example, as 1022848324 + 1757286400 = 31982^2 + 41920^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8475857 + ... + 8476184.

It is an arithmetic number, because the mean of its divisors is an integer number (415325029).

Almost surely, 22780134724 is an apocalyptic number.

It is an amenable number.

2780134724 is a deficient number, since it is larger than the sum of its proper divisors (2203765624).

2780134724 is a wasteful number, since it uses less digits than its factorization.

2780134724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16952086 (or 16952084 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 2780134724 is about 52726.9828835294. The cubic root of 2780134724 is about 1406.1185815257.

The spelling of 2780134724 in words is "two billion, seven hundred eighty million, one hundred thirty-four thousand, seven hundred twenty-four".

Divisors: 1 2 4 41 82 164 16952041 33904082 67808164 695033681 1390067362 2780134724