Search a number
-
+
2997129413 = 7937938347
BaseRepresentation
bin1011001010100100…
…1001000011000101
321201212121221122002
42302221021003011
522114231120123
61213222515045
7134162115425
oct26251110305
97655557562
102997129413
1112a888a763
126b7895a85
13389c1aa75
1420609a485
151281c8528
hexb2a490c5

2997129413 has 4 divisors (see below), whose sum is σ = 3035067840. Its totient is φ = 2959190988.

The previous prime is 2997129371. The next prime is 2997129431. The reversal of 2997129413 is 3149217992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2997129413 - 210 = 2997128389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2997129433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18969095 + ... + 18969252.

It is an arithmetic number, because the mean of its divisors is an integer number (758766960).

Almost surely, 22997129413 is an apocalyptic number.

It is an amenable number.

2997129413 is a deficient number, since it is larger than the sum of its proper divisors (37938427).

2997129413 is an equidigital number, since it uses as much as digits as its factorization.

2997129413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37938426.

The product of its digits is 244944, while the sum is 47.

The square root of 2997129413 is about 54746.0447247105. The cubic root of 2997129413 is about 1441.7894120771.

The spelling of 2997129413 in words is "two billion, nine hundred ninety-seven million, one hundred twenty-nine thousand, four hundred thirteen".

Divisors: 1 79 37938347 2997129413