Search a number
-
+
29119716025 = 52341292
BaseRepresentation
bin11011000111101010…
…111001101010111001
32210011101212211202221
4123013222321222321
5434114121403100
621213304324041
72050420334161
oct330752715271
983141784687
1029119716025
1111393358714
125788173621
132990bb27ca
1415a35815a1
15b566e401a
hex6c7ab9ab9

29119716025 has 9 divisors (see below), whose sum is σ = 36109505901. Its totient is φ = 23295090240.

The previous prime is 29119715981. The next prime is 29119716071. The reversal of 29119716025 is 52061791192.

The square root of 29119716025 is 170645.

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

It can be written as a sum of positive squares in 4 ways, for example, as 8361822249 + 20757893776 = 91443^2 + 144076^2 .

It is not a de Polignac number, because 29119716025 - 211 = 29119713977 is a prime.

It is a super-2 number, since 2×291197160252 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 836161 + ... + 870289.

Almost surely, 229119716025 is an apocalyptic number.

29119716025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29119716025 is the 170645-th square number.

29119716025 is the 85323-rd centered octagonal number.

It is an amenable number.

29119716025 is a deficient number, since it is larger than the sum of its proper divisors (6989789876).

29119716025 is an frugal number, since it uses more digits than its factorization.

29119716025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68268 (or 34134 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 43.

The spelling of 29119716025 in words is "twenty-nine billion, one hundred nineteen million, seven hundred sixteen thousand, twenty-five".

Divisors: 1 5 25 34129 170645 853225 1164788641 5823943205 29119716025