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2971997006 = 211135090773
BaseRepresentation
bin1011000100100101…
…0001001101001110
321200010100002110012
42301021101031032
522041312401011
61210524113222
7133435362206
oct26111211516
97603302405
102971997006
111295684380
126ab395812
1338495b514
142029d7406
15125db1a8b
hexb125134e

2971997006 has 8 divisors (see below), whose sum is σ = 4863267864. Its totient is φ = 1350907720.

The previous prime is 2971996913. The next prime is 2971997009. The reversal of 2971997006 is 6007991792.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2971997009) 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, 67545365 + ... + 67545408.

It is an arithmetic number, because the mean of its divisors is an integer number (607908483).

Almost surely, 22971997006 is an apocalyptic number.

2971997006 is a deficient number, since it is larger than the sum of its proper divisors (1891270858).

2971997006 is a wasteful number, since it uses less digits than its factorization.

2971997006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135090786.

The product of its (nonzero) digits is 428652, while the sum is 50.

The square root of 2971997006 is about 54516.0252219474. The cubic root of 2971997006 is about 1437.7480564592.

The spelling of 2971997006 in words is "two billion, nine hundred seventy-one million, nine hundred ninety-seven thousand, six".