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2640971074 = 27188640791
BaseRepresentation
bin1001110101101010…
…0000010101000010
320211001110020020111
42131122200111002
520402042033244
61114021101534
7122305612060
oct23532402502
96731406214
102640971074
111135839725
126185578aa
133311b97a1
141b0a69030
15106cc4e34
hex9d6a0542

2640971074 has 8 divisors (see below), whose sum is σ = 4527379008. Its totient is φ = 1131844740.

The previous prime is 2640971071. The next prime is 2640971077. The reversal of 2640971074 is 4701790462.

It is an interprime number because it is at equal distance from previous prime (2640971071) and next prime (2640971077).

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

It is not an unprimeable number, because it can be changed into a prime (2640971071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94320382 + ... + 94320409.

It is an arithmetic number, because the mean of its divisors is an integer number (565922376).

Almost surely, 22640971074 is an apocalyptic number.

2640971074 is a deficient number, since it is larger than the sum of its proper divisors (1886407934).

2640971074 is a wasteful number, since it uses less digits than its factorization.

2640971074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188640800.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 2640971074 is about 51390.3791968886. The cubic root of 2640971074 is about 1382.2540831163.

The spelling of 2640971074 in words is "two billion, six hundred forty million, nine hundred seventy-one thousand, seventy-four".

Divisors: 1 2 7 14 188640791 377281582 1320485537 2640971074