Search a number
2971997007 = 371011113997
BaseRepresentation
bin1011000100100101…
…0001001101001111
321200010100002110020
42301021101031033
522041312401012
61210524113223
7133435362210
oct26111211517
97603302406
102971997007
111295684381
126ab395813
1338495b515
142029d7407
15125db1a8c
hexb125134f

2971997007 has 16 divisors (see below), whose sum is σ = 4529528832. Its totient is φ = 1697994720.

The previous prime is 2971996913. The next prime is 2971997009. The reversal of 2971997007 is 7007991792.

It is not a de Polignac number, because 2971997007 - 28 = 2971996751 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 205333 + ... + 219329.

It is an arithmetic number, because the mean of its divisors is an integer number (283095552).

Almost surely, 22971997007 is an apocalyptic number.

2971997007 is a deficient number, since it is larger than the sum of its proper divisors (1557531825).

2971997007 is a wasteful number, since it uses less digits than its factorization.

2971997007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24118.

The product of its (nonzero) digits is 500094, while the sum is 51.

The square root of 2971997007 is about 54516.0252311190. The cubic root of 2971997007 is about 1437.7480566205.

The spelling of 2971997007 in words is "two billion, nine hundred seventy-one million, nine hundred ninety-seven thousand, seven".