Search a number
-
+
29430398473 = 73138162131
BaseRepresentation
bin11011011010001100…
…000011111000001001
32210222001111010222021
4123122030003320021
5440233140222343
621304203324441
72061212155000
oct333214037011
983861433867
1029430398473
1111532768a73
125854220721
132a10380988
1415d2935c37
15b73b130ed
hex6da303e09

29430398473 has 16 divisors (see below), whose sum is σ = 34346569600. Its totient is φ = 25207383600.

The previous prime is 29430398447. The next prime is 29430398509. The reversal of 29430398473 is 37489303492.

It is a happy number.

It is not a de Polignac number, because 29430398473 - 221 = 29428301321 is a prime.

It is a super-2 number, since 2×294303984732 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29430398473.

It is not an unprimeable number, because it can be changed into a prime (29430392473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442618 + ... + 504748.

It is an arithmetic number, because the mean of its divisors is an integer number (2146660600).

Almost surely, 229430398473 is an apocalyptic number.

It is an amenable number.

29430398473 is a deficient number, since it is larger than the sum of its proper divisors (4916171127).

29430398473 is an equidigital number, since it uses as much as digits as its factorization.

29430398473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63533 (or 63519 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 29430398473 in words is "twenty-nine billion, four hundred thirty million, three hundred ninety-eight thousand, four hundred seventy-three".

Divisors: 1 7 49 343 1381 9667 62131 67669 434917 473683 3044419 21310933 85802911 600620377 4204342639 29430398473