Search a number
-
+
29387106836 = 227346776709
BaseRepresentation
bin11011010111100110…
…111010101000010100
32210212001000201000022
4123113212322220110
5440141044404321
621300015404312
72060145200213
oct332746725024
983761021008
1029387106836
111151028a35a
125841823698
132a04403b19
1415caca707a
15b6ee10dab
hex6d79baa14

29387106836 has 6 divisors (see below), whose sum is σ = 51427436970. Its totient is φ = 14693553416.

The previous prime is 29387106829. The next prime is 29387106839. The reversal of 29387106836 is 63860178392.

It can be written as a sum of positive squares in only one way, i.e., 18987186436 + 10399920400 = 137794^2 + 101980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29387106839) 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 as a sum of consecutive naturals, namely, 3673388351 + ... + 3673388358.

It is an arithmetic number, because the mean of its divisors is an integer number (8571239495).

Almost surely, 229387106836 is an apocalyptic number.

It is an amenable number.

29387106836 is a deficient number, since it is larger than the sum of its proper divisors (22040330134).

29387106836 is a wasteful number, since it uses less digits than its factorization.

29387106836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7346776713 (or 7346776711 counting only the distinct ones).

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

The spelling of 29387106836 in words is "twenty-nine billion, three hundred eighty-seven million, one hundred six thousand, eight hundred thirty-six".

Divisors: 1 2 4 7346776709 14693553418 29387106836