Search a number
-
+
29400722748 = 2232816686743
BaseRepresentation
bin11011011000011010…
…110110110100111100
32210212222122110112100
4123120122312310330
5440203041111443
621301223305100
72060402006565
oct333032666474
983788573470
1029400722748
1111517a3a181
1258462ab190
132a07190487
1415cca0d16c
15b712003d3
hex6d86b6d3c

29400722748 has 18 divisors (see below), whose sum is σ = 74318493704. Its totient is φ = 9800240904.

The previous prime is 29400722707. The next prime is 29400722753. The reversal of 29400722748 is 84722700492.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 408343336 + ... + 408343407.

Almost surely, 229400722748 is an apocalyptic number.

It is an amenable number.

29400722748 is an abundant number, since it is smaller than the sum of its proper divisors (44917770956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29400722748 is a wasteful number, since it uses less digits than its factorization.

29400722748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816686753 (or 816686748 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 29400722748 in words is "twenty-nine billion, four hundred million, seven hundred twenty-two thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 816686743 1633373486 2450060229 3266746972 4900120458 7350180687 9800240916 14700361374 29400722748