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2742404175457 = 21112997176187
BaseRepresentation
bin100111111010000100000…
…001101101011001100001
3100201011121212021112220221
4213322010001231121201
5324412420432103312
65455502035003041
7402063221606212
oct47720401553141
910634555245827
102742404175457
11968057732091
123835b5739481
1316b7b8ba1b9b
1496a3978b409
154b509b6a207
hex27e8406d661

2742404175457 has 4 divisors (see below), whose sum is σ = 2755401351856. Its totient is φ = 2729406999060.

The previous prime is 2742404175449. The next prime is 2742404175481. The reversal of 2742404175457 is 7545714042472.

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 2742404175457 - 23 = 2742404175449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2742404175487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6498587883 + ... + 6498588304.

It is an arithmetic number, because the mean of its divisors is an integer number (688850337964).

Almost surely, 22742404175457 is an apocalyptic number.

It is an amenable number.

2742404175457 is a deficient number, since it is larger than the sum of its proper divisors (12997176399).

2742404175457 is a wasteful number, since it uses less digits than its factorization.

2742404175457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12997176398.

The product of its (nonzero) digits is 8780800, while the sum is 52.

The spelling of 2742404175457 in words is "two trillion, seven hundred forty-two billion, four hundred four million, one hundred seventy-five thousand, four hundred fifty-seven".

Divisors: 1 211 12997176187 2742404175457