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7157857937293 = 79710541764267
BaseRepresentation
bin110100000101001000110…
…0101000110011110001101
3221100021200102112001202101
41220022101211012132031
51414233243112443133
623120135144555101
71336065251410510
oct150122145063615
927307612461671
107157857937293
11230a6a3223048
129772a8182a91
133cbca1b6aa0b
141aa629470d77
15c62d40b637d
hex6829194678d

7157857937293 has 8 divisors (see below), whose sum is σ = 8264743186112. Its totient is φ = 6072056217216.

The previous prime is 7157857937227. The next prime is 7157857937303. The reversal of 7157857937293 is 3927397587517.

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

It is a cyclic number.

It is not a de Polignac number, because 7157857937293 - 221 = 7157855840141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7157857937093) 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 7 ways as a sum of consecutive naturals, for example, 5270881455 + ... + 5270882812.

It is an arithmetic number, because the mean of its divisors is an integer number (1033092898264).

Almost surely, 27157857937293 is an apocalyptic number.

It is an amenable number.

7157857937293 is a deficient number, since it is larger than the sum of its proper divisors (1106885248819).

7157857937293 is a wasteful number, since it uses less digits than its factorization.

7157857937293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10541764371.

The product of its digits is 700131600, while the sum is 73.

The spelling of 7157857937293 in words is "seven trillion, one hundred fifty-seven billion, eight hundred fifty-seven million, nine hundred thirty-seven thousand, two hundred ninety-three".

Divisors: 1 7 97 679 10541764267 73792349869 1022551133899 7157857937293