Search a number
-
+
29649078431 = 730831373851
BaseRepresentation
bin11011100111001110…
…010000100010011111
32211112021222020110222
4123213032100202133
5441210131002211
621342014351555
72066506002620
oct334716204237
984467866428
1029649078431
111163514a505
1258b54bb5bb
132a467785bb
1416139bba47
15b87e0c1db
hex6e739089f

29649078431 has 8 divisors (see below), whose sum is σ = 33895676544. Its totient is φ = 25405234200.

The previous prime is 29649078419. The next prime is 29649078439. The reversal of 29649078431 is 13487094692.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29649078431 - 26 = 29649078367 is a prime.

It is a super-2 number, since 2×296490784312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29649078439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665345 + ... + 708506.

It is an arithmetic number, because the mean of its divisors is an integer number (4236959568).

Almost surely, 229649078431 is an apocalyptic number.

29649078431 is a deficient number, since it is larger than the sum of its proper divisors (4246598113).

29649078431 is a wasteful number, since it uses less digits than its factorization.

29649078431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376941.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 29649078431 in words is "twenty-nine billion, six hundred forty-nine million, seventy-eight thousand, four hundred thirty-one".

Divisors: 1 7 3083 21581 1373851 9616957 4235582633 29649078431