Search a number
-
+
29430196868 = 227357549217
BaseRepresentation
bin11011011010001011…
…010010101010000100
32210222001002220102102
4123122023102222010
5440233112244433
621304155131232
72061210355142
oct333213225204
983861086372
1029430196868
1111532640556
125854143b18
132a1030cc97
1415d28c2592
15b73ac34e8
hex6da2d2a84

29430196868 has 6 divisors (see below), whose sum is σ = 51502844526. Its totient is φ = 14715098432.

The previous prime is 29430196843. The next prime is 29430196891. The reversal of 29430196868 is 86869103492.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14915248384 + 14514948484 = 122128^2 + 120478^2 .

It is a super-2 number, since 2×294301968682 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3678774605 + ... + 3678774612.

It is an arithmetic number, because the mean of its divisors is an integer number (8583807421).

Almost surely, 229430196868 is an apocalyptic number.

It is an amenable number.

29430196868 is a deficient number, since it is larger than the sum of its proper divisors (22072647658).

29430196868 is a wasteful number, since it uses less digits than its factorization.

29430196868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7357549221 (or 7357549219 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 29430196868 in words is "twenty-nine billion, four hundred thirty million, one hundred ninety-six thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7357549217 14715098434 29430196868