Search a number
-
+
29183738193 = 323242637577
BaseRepresentation
bin11011001011011111…
…001000000101010001
32210022212100111200100
4123023133020011101
5434232014110233
621223512443013
72052125452551
oct331337100521
983285314610
1029183738193
11114165064a5
1257a56a9469
1329a123a44c
1415abc89161
15b5c13d813
hex6cb7c8151

29183738193 has 6 divisors (see below), whose sum is σ = 42154288514. Its totient is φ = 19455825456.

The previous prime is 29183738183. The next prime is 29183738201. The reversal of 29183738193 is 39183738192.

It can be written as a sum of positive squares in only one way, i.e., 27253717569 + 1930020624 = 165087^2 + 43932^2 .

It is not a de Polignac number, because 29183738193 - 210 = 29183737169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29183738183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1621318780 + ... + 1621318797.

Almost surely, 229183738193 is an apocalyptic number.

It is an amenable number.

29183738193 is a deficient number, since it is larger than the sum of its proper divisors (12970550321).

29183738193 is a wasteful number, since it uses less digits than its factorization.

29183738193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242637583 (or 3242637580 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

Subtracting 29183738193 from its reverse (39183738192), we obtain a palindrome (9999999999).

It can be divided in two parts, 29183 and 738193, that added together give a square (767376 = 8762).

The spelling of 29183738193 in words is "twenty-nine billion, one hundred eighty-three million, seven hundred thirty-eight thousand, one hundred ninety-three".

Divisors: 1 3 9 3242637577 9727912731 29183738193