Search a number
-
+
29444956137 = 35121172659
BaseRepresentation
bin11011011011000011…
…100101111111101001
32211000001212202100000
4123123003211333221
5440300402044022
621305443333213
72061446666112
oct333303457751
984001782300
1029444956137
111153aa013a3
125859081209
132a133a9b8c
1415d4845209
15b7503b6ac
hex6db0e5fe9

29444956137 has 12 divisors (see below), whose sum is σ = 44106848240. Its totient is φ = 19629970596.

The previous prime is 29444956133. The next prime is 29444956141. The reversal of 29444956137 is 73165944492.

29444956137 is a `hidden beast` number, since 2 + 9 + 4 + 4 + 49 + 561 + 37 = 666.

It is an interprime number because it is at equal distance from previous prime (29444956133) and next prime (29444956141).

It is not a de Polignac number, because 29444956137 - 22 = 29444956133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29444956133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60586087 + ... + 60586572.

Almost surely, 229444956137 is an apocalyptic number.

29444956137 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

29444956137 is a deficient number, since it is larger than the sum of its proper divisors (14661892103).

29444956137 is an equidigital number, since it uses as much as digits as its factorization.

29444956137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121172674 (or 121172662 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 29444956137 in words is "twenty-nine billion, four hundred forty-four million, nine hundred fifty-six thousand, one hundred thirty-seven".

Divisors: 1 3 9 27 81 243 121172659 363517977 1090553931 3271661793 9814985379 29444956137