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2971997075 = 52439270797
BaseRepresentation
bin1011000100100101…
…0001001110010011
321200010100002112202
42301021101032103
522041312401300
61210524113415
7133435362335
oct26111211623
97603302482
102971997075
111295684433
126ab39586b
1338495b568
142029d7455
hexb1251393

2971997075 has 12 divisors (see below), whose sum is σ = 3693684720. Its totient is φ = 2372172960.

The previous prime is 2971997059. The next prime is 2971997117. The reversal of 2971997075 is 5707991792.

It is not a de Polignac number, because 2971997075 - 24 = 2971997059 is a prime.

It is a super-2 number, since 2×29719970752 = 17665533227617111250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2971997075.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124424 + ... + 146373.

It is an arithmetic number, because the mean of its divisors is an integer number (307807060).

Almost surely, 22971997075 is an apocalyptic number.

2971997075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2971997075 is a deficient number, since it is larger than the sum of its proper divisors (721687645).

2971997075 is a wasteful number, since it uses less digits than its factorization.

2971997075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271246 (or 271241 counting only the distinct ones).

The product of its (nonzero) digits is 2500470, while the sum is 56.

The square root of 2971997075 is about 54516.0258547888. The cubic root of 2971997075 is about 1437.7480675858.

The spelling of 2971997075 in words is "two billion, nine hundred seventy-one million, nine hundred ninety-seven thousand, seventy-five".