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2742053642 = 21371026821
BaseRepresentation
bin1010001101110000…
…0110101100001010
321002002122202110022
42203130012230022
521103431204032
61132031420442
7124644033326
oct24334065412
97062582408
102742053642
1111878aa539
12646384722
1334911bc63
141c025c986
15110ae0512
hexa3706b0a

2742053642 has 4 divisors (see below), whose sum is σ = 4113080466. Its totient is φ = 1371026820.

The previous prime is 2742053623. The next prime is 2742053659. The reversal of 2742053642 is 2463502472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2740417801 + 1635841 = 52349^2 + 1279^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685513409 + ... + 685513412.

Almost surely, 22742053642 is an apocalyptic number.

2742053642 is a deficient number, since it is larger than the sum of its proper divisors (1371026824).

2742053642 is a wasteful number, since it uses less digits than its factorization.

2742053642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371026823.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 2742053642 is about 52364.6220458049. The cubic root of 2742053642 is about 1399.6689084397.

The spelling of 2742053642 in words is "two billion, seven hundred forty-two million, fifty-three thousand, six hundred forty-two".

Divisors: 1 2 1371026821 2742053642