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2742772153 = 11249342923
BaseRepresentation
bin1010001101111011…
…0110000110111001
321002011000021001211
42203132312012321
521104122202103
61132055043121
7124653115162
oct24336660671
97064007054
102742772153
111188250350
126466704a1
13349311004
141c03a8769
15110bd336d
hexa37b61b9

2742772153 has 4 divisors (see below), whose sum is σ = 2992115088. Its totient is φ = 2493429220.

The previous prime is 2742772147. The next prime is 2742772211. The reversal of 2742772153 is 3512772472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2742772153 - 217 = 2742641081 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2742772453) 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, 124671451 + ... + 124671472.

It is an arithmetic number, because the mean of its divisors is an integer number (748028772).

Almost surely, 22742772153 is an apocalyptic number.

It is an amenable number.

2742772153 is a deficient number, since it is larger than the sum of its proper divisors (249342935).

2742772153 is a wasteful number, since it uses less digits than its factorization.

2742772153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249342934.

The product of its digits is 164640, while the sum is 40.

The square root of 2742772153 is about 52371.4822494075. The cubic root of 2742772153 is about 1399.7911513290.

The spelling of 2742772153 in words is "two billion, seven hundred forty-two million, seven hundred seventy-two thousand, one hundred fifty-three".

Divisors: 1 11 249342923 2742772153