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7494289002997 = 13953915748223
BaseRepresentation
bin110110100001110011001…
…1011110001000111110101
3222112110001212220222112021
41231003212123301013311
51440241300441043442
623534455010153141
71402305316316536
oct155034633610765
928473055828467
107494289002997
11242a345848205
12a1053a2827b1
13424929527b24
141bca22b9a68d
15cee24c84e67
hex6d0e66f11f5

7494289002997 has 4 divisors (see below), whose sum is σ = 7548204751360. Its totient is φ = 7440373254636.

The previous prime is 7494289002899. The next prime is 7494289003051. The reversal of 7494289002997 is 7992009824947.

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 a de Polignac number, because none of the positive numbers 2k-7494289002997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7494289602997) 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, 26957873973 + ... + 26957874250.

It is an arithmetic number, because the mean of its divisors is an integer number (1887051187840).

Almost surely, 27494289002997 is an apocalyptic number.

It is an amenable number.

7494289002997 is a deficient number, since it is larger than the sum of its proper divisors (53915748363).

7494289002997 is a wasteful number, since it uses less digits than its factorization.

7494289002997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53915748362.

The product of its (nonzero) digits is 164602368, while the sum is 70.

The spelling of 7494289002997 in words is "seven trillion, four hundred ninety-four billion, two hundred eighty-nine million, two thousand, nine hundred ninety-seven".

Divisors: 1 139 53915748223 7494289002997