Search a number
-
+
29716857034489 = 54513172
BaseRepresentation
bin1101100000110111111101…
…01101010001011011111001
310220012220101212020210211201
412300123332231101123321
512343340110400100424
6143111422522454201
76154654264033642
oct660337655213371
9126186355223751
1029716857034489
119517937096319
1233bb3ab364361
131377397ac8981
1474a436d506c9
1536800c4a1d44
hex1b06feb516f9

29716857034489 has 3 divisors (see below), whose sum is σ = 29716862485807. Its totient is φ = 29716851583172.

The previous prime is 29716857034483. The next prime is 29716857034507. The reversal of 29716857034489 is 98443075861792.

The square root of 29716857034489 is 5451317.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 27645249515625 + 2071607518864 = 5257875^2 + 1439308^2 .

It is not a de Polignac number, because 29716857034489 - 25 = 29716857034457 is a prime.

It is a super-2 number, since 2×297168570344892 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29716857034483) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2725659 + ... + 8176975.

It is a 1-persistent number, because it is pandigital, but 2⋅29716857034489 = 59433714068978 is not.

Almost surely, 229716857034489 is an apocalyptic number.

29716857034489 is the 5451317-th square number.

29716857034489 is the 2725659-th centered octagonal number.

It is an amenable number.

29716857034489 is a deficient number, since it is larger than the sum of its proper divisors (5451318).

29716857034489 is an frugal number, since it uses more digits than its factorization.

29716857034489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10902634 (or 5451317 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 73.

The spelling of 29716857034489 in words is "twenty-nine trillion, seven hundred sixteen billion, eight hundred fifty-seven million, thirty-four thousand, four hundred eighty-nine".

Divisors: 1 5451317 29716857034489