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7148553010157 = 13549888693089
BaseRepresentation
bin110100000000110011011…
…1101100111101111101101
3221022101122221122210100102
41220001212331213233231
51414110214032311112
623111555552040445
71335315544006166
oct150014675475755
927271587583312
107148553010157
1123067588a2619
1297552bb33125
133cb14b186080
141a9dc576276d
15c5e3c255bc2
hex68066f67bed

7148553010157 has 4 divisors (see below), whose sum is σ = 7698441703260. Its totient is φ = 6598664317056.

The previous prime is 7148553010103. The next prime is 7148553010189. The reversal of 7148553010157 is 7510103558417.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1198300219561 + 5950252790596 = 1094669^2 + 2439314^2 .

It is a cyclic number.

It is not a de Polignac number, because 7148553010157 - 230 = 7147479268333 is a prime.

It is a super-2 number, since 2×71485530101572 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7148553010657) 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, 274944346532 + ... + 274944346557.

It is an arithmetic number, because the mean of its divisors is an integer number (1924610425815).

Almost surely, 27148553010157 is an apocalyptic number.

It is an amenable number.

7148553010157 is a deficient number, since it is larger than the sum of its proper divisors (549888693103).

7148553010157 is a wasteful number, since it uses less digits than its factorization.

7148553010157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549888693102.

The product of its (nonzero) digits is 588000, while the sum is 47.

The spelling of 7148553010157 in words is "seven trillion, one hundred forty-eight billion, five hundred fifty-three million, ten thousand, one hundred fifty-seven".

Divisors: 1 13 549888693089 7148553010157